Ajoute les amis et les invitations temps reel
This commit is contained in:
787
ChessCubing.Server/Social/MySqlSocialStore.cs
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787
ChessCubing.Server/Social/MySqlSocialStore.cs
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using ChessCubing.Server.Data;
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using Microsoft.Extensions.Options;
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using MySqlConnector;
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namespace ChessCubing.Server.Social;
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public sealed class MySqlSocialStore(
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IOptions<SiteDataOptions> options,
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ILogger<MySqlSocialStore> logger)
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{
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private const string CreateFriendshipsTableSql = """
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CREATE TABLE IF NOT EXISTS social_friendships (
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id BIGINT NOT NULL AUTO_INCREMENT,
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subject_low VARCHAR(190) NOT NULL,
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subject_high VARCHAR(190) NOT NULL,
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created_utc DATETIME(6) NOT NULL,
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PRIMARY KEY (id),
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UNIQUE KEY uq_social_friendships_pair (subject_low, subject_high),
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KEY ix_social_friendships_low (subject_low),
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KEY ix_social_friendships_high (subject_high)
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) CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci;
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""";
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private const string CreateInvitationsTableSql = """
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CREATE TABLE IF NOT EXISTS social_friend_invitations (
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id BIGINT NOT NULL AUTO_INCREMENT,
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sender_subject VARCHAR(190) NOT NULL,
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recipient_subject VARCHAR(190) NOT NULL,
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created_utc DATETIME(6) NOT NULL,
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PRIMARY KEY (id),
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UNIQUE KEY uq_social_friend_invitations_pair (sender_subject, recipient_subject),
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KEY ix_social_friend_invitations_sender (sender_subject),
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KEY ix_social_friend_invitations_recipient (recipient_subject)
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) CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci;
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""";
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private const string SelectOverviewFriendsSql = """
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SELECT
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u.subject,
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u.username,
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u.display_name,
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u.email,
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u.club,
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u.city
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FROM social_friendships f
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INNER JOIN site_users u
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ON u.subject = CASE
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WHEN f.subject_low = @subject THEN f.subject_high
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ELSE f.subject_low
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END
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WHERE f.subject_low = @subject OR f.subject_high = @subject
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ORDER BY u.display_name ASC, u.username ASC;
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""";
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private const string SelectReceivedInvitationsSql = """
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SELECT
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i.id,
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u.subject,
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u.username,
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u.display_name,
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u.email,
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i.created_utc
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FROM social_friend_invitations i
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INNER JOIN site_users u
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ON u.subject = i.sender_subject
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WHERE i.recipient_subject = @subject
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ORDER BY i.created_utc DESC, u.display_name ASC, u.username ASC;
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""";
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private const string SelectSentInvitationsSql = """
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SELECT
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i.id,
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u.subject,
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u.username,
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u.display_name,
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u.email,
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i.created_utc
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FROM social_friend_invitations i
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INNER JOIN site_users u
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ON u.subject = i.recipient_subject
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WHERE i.sender_subject = @subject
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ORDER BY i.created_utc DESC, u.display_name ASC, u.username ASC;
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""";
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private const string SearchUsersTemplateSql = """
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SELECT
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u.subject,
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u.username,
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u.display_name,
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u.email,
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u.club,
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u.city,
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EXISTS(
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SELECT 1
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FROM social_friendships f
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WHERE (f.subject_low = @subject AND f.subject_high = u.subject)
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OR (f.subject_high = @subject AND f.subject_low = u.subject)
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) AS is_friend,
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EXISTS(
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SELECT 1
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FROM social_friend_invitations i
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WHERE i.sender_subject = @subject
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AND i.recipient_subject = u.subject
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) AS has_sent_invitation,
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EXISTS(
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SELECT 1
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FROM social_friend_invitations i
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WHERE i.sender_subject = u.subject
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AND i.recipient_subject = @subject
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) AS has_received_invitation
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FROM site_users u
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WHERE u.subject <> @subject
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AND (
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u.username LIKE @pattern
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OR u.display_name LIKE @pattern
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OR COALESCE(u.email, '') LIKE @pattern
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OR COALESCE(u.club, '') LIKE @pattern
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OR COALESCE(u.city, '') LIKE @pattern
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)
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ORDER BY
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is_friend DESC,
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has_received_invitation DESC,
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has_sent_invitation DESC,
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u.display_name ASC,
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u.username ASC
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LIMIT @limit;
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""";
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private const string SelectRelevantPresenceSubjectsSql = """
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SELECT participant_subject
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FROM (
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SELECT CASE
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WHEN f.subject_low = @subject THEN f.subject_high
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ELSE f.subject_low
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END AS participant_subject
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FROM social_friendships f
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WHERE f.subject_low = @subject OR f.subject_high = @subject
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UNION
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SELECT i.sender_subject AS participant_subject
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FROM social_friend_invitations i
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WHERE i.recipient_subject = @subject
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UNION
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SELECT i.recipient_subject AS participant_subject
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FROM social_friend_invitations i
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WHERE i.sender_subject = @subject
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) participants
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WHERE participant_subject <> @subject;
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""";
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private const string SelectFriendSubjectsSql = """
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SELECT CASE
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WHEN f.subject_low = @subject THEN f.subject_high
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ELSE f.subject_low
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END AS friend_subject
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FROM social_friendships f
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WHERE f.subject_low = @subject OR f.subject_high = @subject;
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""";
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private const string SelectKnownUserSubjectSql = """
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SELECT subject
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FROM site_users
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WHERE subject = @subject
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LIMIT 1;
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""";
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private const string SelectInvitationBetweenSql = """
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SELECT
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id,
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sender_subject,
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recipient_subject
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FROM social_friend_invitations
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WHERE (sender_subject = @subjectA AND recipient_subject = @subjectB)
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OR (sender_subject = @subjectB AND recipient_subject = @subjectA)
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LIMIT 1;
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""";
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private const string SelectInvitationForRecipientSql = """
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SELECT
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id,
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sender_subject,
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recipient_subject
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FROM social_friend_invitations
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WHERE id = @invitationId
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AND recipient_subject = @recipientSubject
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LIMIT 1;
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""";
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private const string SelectFriendshipExistsSql = """
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SELECT 1
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FROM social_friendships
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WHERE subject_low = @subjectLow
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AND subject_high = @subjectHigh
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LIMIT 1;
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""";
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private const string InsertInvitationSql = """
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INSERT INTO social_friend_invitations (
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sender_subject,
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recipient_subject,
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created_utc
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)
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VALUES (
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@senderSubject,
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@recipientSubject,
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@createdUtc
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);
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""";
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private const string InsertFriendshipSql = """
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INSERT IGNORE INTO social_friendships (
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subject_low,
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subject_high,
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created_utc
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)
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VALUES (
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@subjectLow,
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@subjectHigh,
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@createdUtc
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);
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""";
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private const string DeleteInvitationByRecipientSql = """
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DELETE FROM social_friend_invitations
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WHERE id = @invitationId
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AND recipient_subject = @recipientSubject;
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""";
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private const string DeleteInvitationBySenderSql = """
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DELETE FROM social_friend_invitations
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WHERE id = @invitationId
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AND sender_subject = @senderSubject;
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""";
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private const string DeleteInvitationsBetweenSql = """
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DELETE FROM social_friend_invitations
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WHERE (sender_subject = @subjectA AND recipient_subject = @subjectB)
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OR (sender_subject = @subjectB AND recipient_subject = @subjectA);
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""";
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private const string DeleteFriendshipSql = """
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DELETE FROM social_friendships
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WHERE subject_low = @subjectLow
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AND subject_high = @subjectHigh;
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""";
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private const string DeleteUserFriendshipsSql = """
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DELETE FROM social_friendships
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WHERE subject_low = @subject
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OR subject_high = @subject;
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""";
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private const string DeleteUserInvitationsSql = """
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DELETE FROM social_friend_invitations
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WHERE sender_subject = @subject
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OR recipient_subject = @subject;
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""";
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private readonly SiteDataOptions _options = options.Value;
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private readonly ILogger<MySqlSocialStore> _logger = logger;
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public async Task InitializeAsync(CancellationToken cancellationToken)
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{
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for (var attempt = 1; attempt <= _options.InitializationRetries; attempt++)
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{
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try
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{
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await using var connection = new MySqlConnection(_options.BuildConnectionString());
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await connection.OpenAsync(cancellationToken);
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await CreateSchemaAsync(connection, cancellationToken);
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return;
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}
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catch (Exception exception) when (attempt < _options.InitializationRetries)
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{
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_logger.LogWarning(
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exception,
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"Initialisation MySQL impossible pour le module social (tentative {Attempt}/{MaxAttempts}).",
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attempt,
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_options.InitializationRetries);
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await Task.Delay(TimeSpan.FromSeconds(_options.InitializationDelaySeconds), cancellationToken);
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}
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}
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await using var finalConnection = new MySqlConnection(_options.BuildConnectionString());
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await finalConnection.OpenAsync(cancellationToken);
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await CreateSchemaAsync(finalConnection, cancellationToken);
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}
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public async Task<SocialOverviewResponse> GetOverviewAsync(
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string subject,
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Func<string, bool> isOnline,
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CancellationToken cancellationToken)
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{
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await using var connection = await OpenConnectionAsync(cancellationToken);
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var friends = new List<SocialFriendResponse>();
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await using (var command = connection.CreateCommand())
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{
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command.CommandText = SelectOverviewFriendsSql;
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command.Parameters.AddWithValue("@subject", subject);
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await using var reader = await command.ExecuteReaderAsync(cancellationToken);
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while (await reader.ReadAsync(cancellationToken))
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{
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var friendSubject = ReadString(reader, "subject");
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friends.Add(new SocialFriendResponse
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{
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Subject = friendSubject,
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Username = ReadString(reader, "username"),
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DisplayName = ReadString(reader, "display_name"),
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Email = ReadNullableString(reader, "email"),
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Club = ReadNullableString(reader, "club"),
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City = ReadNullableString(reader, "city"),
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IsOnline = isOnline(friendSubject),
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});
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}
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}
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var receivedInvitations = new List<SocialInvitationResponse>();
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await using (var command = connection.CreateCommand())
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{
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command.CommandText = SelectReceivedInvitationsSql;
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command.Parameters.AddWithValue("@subject", subject);
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await using var reader = await command.ExecuteReaderAsync(cancellationToken);
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while (await reader.ReadAsync(cancellationToken))
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{
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var senderSubject = ReadString(reader, "subject");
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receivedInvitations.Add(new SocialInvitationResponse
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{
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InvitationId = ReadInt64(reader, "id"),
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Subject = senderSubject,
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Username = ReadString(reader, "username"),
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DisplayName = ReadString(reader, "display_name"),
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Email = ReadNullableString(reader, "email"),
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CreatedUtc = ReadDateTime(reader, "created_utc"),
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IsOnline = isOnline(senderSubject),
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});
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}
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}
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var sentInvitations = new List<SocialInvitationResponse>();
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await using (var command = connection.CreateCommand())
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{
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command.CommandText = SelectSentInvitationsSql;
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command.Parameters.AddWithValue("@subject", subject);
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await using var reader = await command.ExecuteReaderAsync(cancellationToken);
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while (await reader.ReadAsync(cancellationToken))
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{
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var recipientSubject = ReadString(reader, "subject");
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sentInvitations.Add(new SocialInvitationResponse
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{
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InvitationId = ReadInt64(reader, "id"),
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Subject = recipientSubject,
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Username = ReadString(reader, "username"),
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DisplayName = ReadString(reader, "display_name"),
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Email = ReadNullableString(reader, "email"),
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CreatedUtc = ReadDateTime(reader, "created_utc"),
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IsOnline = isOnline(recipientSubject),
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});
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}
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}
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return new SocialOverviewResponse
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{
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Friends = friends.ToArray(),
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ReceivedInvitations = receivedInvitations.ToArray(),
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SentInvitations = sentInvitations.ToArray(),
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};
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}
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public async Task<IReadOnlyList<SocialSearchUserResponse>> SearchUsersAsync(
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string subject,
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string? query,
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Func<string, bool> isOnline,
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CancellationToken cancellationToken)
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{
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var normalizedQuery = NormalizeQuery(query);
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if (normalizedQuery is null)
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{
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return [];
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}
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await using var connection = await OpenConnectionAsync(cancellationToken);
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await using var command = connection.CreateCommand();
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command.CommandText = SearchUsersTemplateSql;
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command.Parameters.AddWithValue("@subject", subject);
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command.Parameters.AddWithValue("@pattern", $"%{normalizedQuery}%");
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command.Parameters.AddWithValue("@limit", 12);
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var results = new List<SocialSearchUserResponse>();
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await using var reader = await command.ExecuteReaderAsync(cancellationToken);
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while (await reader.ReadAsync(cancellationToken))
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{
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var foundSubject = ReadString(reader, "subject");
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results.Add(new SocialSearchUserResponse
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{
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Subject = foundSubject,
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Username = ReadString(reader, "username"),
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DisplayName = ReadString(reader, "display_name"),
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Email = ReadNullableString(reader, "email"),
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Club = ReadNullableString(reader, "club"),
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City = ReadNullableString(reader, "city"),
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IsOnline = isOnline(foundSubject),
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IsFriend = ReadBoolean(reader, "is_friend"),
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HasSentInvitation = ReadBoolean(reader, "has_sent_invitation"),
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HasReceivedInvitation = ReadBoolean(reader, "has_received_invitation"),
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});
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}
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return results;
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}
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public async Task SendInvitationAsync(
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string senderSubject,
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string recipientSubject,
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CancellationToken cancellationToken)
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{
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if (string.Equals(senderSubject, recipientSubject, StringComparison.Ordinal))
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{
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throw new SocialValidationException("Impossible de t'inviter toi-meme en ami.");
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}
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await using var connection = await OpenConnectionAsync(cancellationToken);
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await using var transaction = await connection.BeginTransactionAsync(cancellationToken);
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if (!await UserExistsAsync(connection, transaction, recipientSubject, cancellationToken))
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{
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throw new SocialValidationException("Le joueur cible est introuvable.");
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}
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var pair = NormalizePair(senderSubject, recipientSubject);
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if (await FriendshipExistsAsync(connection, transaction, pair.SubjectLow, pair.SubjectHigh, cancellationToken))
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{
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throw new SocialValidationException("Ce joueur fait deja partie de tes amis.");
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}
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var invitation = await ReadInvitationBetweenAsync(connection, transaction, senderSubject, recipientSubject, cancellationToken);
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if (invitation is not null)
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{
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throw new SocialValidationException(
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string.Equals(invitation.SenderSubject, senderSubject, StringComparison.Ordinal)
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? "Une invitation est deja en attente pour ce joueur."
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: "Ce joueur t'a deja envoye une invitation. Accepte-la depuis la page utilisateur.");
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}
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await using (var command = connection.CreateCommand())
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{
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command.Transaction = transaction;
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command.CommandText = InsertInvitationSql;
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command.Parameters.AddWithValue("@senderSubject", senderSubject);
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command.Parameters.AddWithValue("@recipientSubject", recipientSubject);
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command.Parameters.AddWithValue("@createdUtc", DateTime.UtcNow);
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await command.ExecuteNonQueryAsync(cancellationToken);
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}
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await transaction.CommitAsync(cancellationToken);
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}
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public async Task<string> AcceptInvitationAsync(long invitationId, string recipientSubject, CancellationToken cancellationToken)
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{
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await using var connection = await OpenConnectionAsync(cancellationToken);
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await using var transaction = await connection.BeginTransactionAsync(cancellationToken);
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var invitation = await ReadInvitationForRecipientAsync(connection, transaction, invitationId, recipientSubject, cancellationToken)
|
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?? throw new SocialValidationException("Invitation introuvable ou deja traitee.");
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var pair = NormalizePair(invitation.SenderSubject, invitation.RecipientSubject);
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await using (var command = connection.CreateCommand())
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{
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command.Transaction = transaction;
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command.CommandText = InsertFriendshipSql;
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command.Parameters.AddWithValue("@subjectLow", pair.SubjectLow);
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command.Parameters.AddWithValue("@subjectHigh", pair.SubjectHigh);
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command.Parameters.AddWithValue("@createdUtc", DateTime.UtcNow);
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await command.ExecuteNonQueryAsync(cancellationToken);
|
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}
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await using (var command = connection.CreateCommand())
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{
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command.Transaction = transaction;
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command.CommandText = DeleteInvitationsBetweenSql;
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command.Parameters.AddWithValue("@subjectA", invitation.SenderSubject);
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command.Parameters.AddWithValue("@subjectB", invitation.RecipientSubject);
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await command.ExecuteNonQueryAsync(cancellationToken);
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}
|
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|
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await transaction.CommitAsync(cancellationToken);
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return invitation.SenderSubject;
|
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}
|
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|
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public async Task<string> DeclineInvitationAsync(long invitationId, string recipientSubject, CancellationToken cancellationToken)
|
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{
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await using var connection = await OpenConnectionAsync(cancellationToken);
|
||||
var invitation = await ReadInvitationForRecipientAsync(connection, transaction: null, invitationId, recipientSubject, cancellationToken)
|
||||
?? throw new SocialValidationException("Invitation introuvable ou deja traitee.");
|
||||
|
||||
await using var command = connection.CreateCommand();
|
||||
command.CommandText = DeleteInvitationByRecipientSql;
|
||||
command.Parameters.AddWithValue("@invitationId", invitationId);
|
||||
command.Parameters.AddWithValue("@recipientSubject", recipientSubject);
|
||||
|
||||
var deleted = await command.ExecuteNonQueryAsync(cancellationToken);
|
||||
if (deleted <= 0)
|
||||
{
|
||||
throw new SocialValidationException("Invitation introuvable ou deja traitee.");
|
||||
}
|
||||
|
||||
return invitation.SenderSubject;
|
||||
}
|
||||
|
||||
public async Task<string> CancelInvitationAsync(long invitationId, string senderSubject, CancellationToken cancellationToken)
|
||||
{
|
||||
await using var connection = await OpenConnectionAsync(cancellationToken);
|
||||
var invitation = await ReadInvitationForSenderAsync(connection, transaction: null, invitationId, senderSubject, cancellationToken)
|
||||
?? throw new SocialValidationException("Invitation introuvable ou deja retiree.");
|
||||
|
||||
await using var command = connection.CreateCommand();
|
||||
command.CommandText = DeleteInvitationBySenderSql;
|
||||
command.Parameters.AddWithValue("@invitationId", invitationId);
|
||||
command.Parameters.AddWithValue("@senderSubject", senderSubject);
|
||||
|
||||
var deleted = await command.ExecuteNonQueryAsync(cancellationToken);
|
||||
if (deleted <= 0)
|
||||
{
|
||||
throw new SocialValidationException("Invitation introuvable ou deja retiree.");
|
||||
}
|
||||
|
||||
return invitation.RecipientSubject;
|
||||
}
|
||||
|
||||
public async Task RemoveFriendAsync(string subject, string friendSubject, CancellationToken cancellationToken)
|
||||
{
|
||||
var pair = NormalizePair(subject, friendSubject);
|
||||
|
||||
await using var connection = await OpenConnectionAsync(cancellationToken);
|
||||
await using var command = connection.CreateCommand();
|
||||
command.CommandText = DeleteFriendshipSql;
|
||||
command.Parameters.AddWithValue("@subjectLow", pair.SubjectLow);
|
||||
command.Parameters.AddWithValue("@subjectHigh", pair.SubjectHigh);
|
||||
await command.ExecuteNonQueryAsync(cancellationToken);
|
||||
}
|
||||
|
||||
public async Task<bool> AreFriendsAsync(string subject, string otherSubject, CancellationToken cancellationToken)
|
||||
{
|
||||
var pair = NormalizePair(subject, otherSubject);
|
||||
await using var connection = await OpenConnectionAsync(cancellationToken);
|
||||
return await FriendshipExistsAsync(connection, transaction: null, pair.SubjectLow, pair.SubjectHigh, cancellationToken);
|
||||
}
|
||||
|
||||
public async Task<IReadOnlyList<string>> GetRelevantPresenceSubjectsAsync(string subject, CancellationToken cancellationToken)
|
||||
{
|
||||
await using var connection = await OpenConnectionAsync(cancellationToken);
|
||||
await using var command = connection.CreateCommand();
|
||||
command.CommandText = SelectRelevantPresenceSubjectsSql;
|
||||
command.Parameters.AddWithValue("@subject", subject);
|
||||
|
||||
var subjects = new List<string>();
|
||||
await using var reader = await command.ExecuteReaderAsync(cancellationToken);
|
||||
while (await reader.ReadAsync(cancellationToken))
|
||||
{
|
||||
subjects.Add(ReadString(reader, "participant_subject"));
|
||||
}
|
||||
|
||||
return subjects;
|
||||
}
|
||||
|
||||
public async Task<IReadOnlyList<string>> GetFriendSubjectsAsync(string subject, CancellationToken cancellationToken)
|
||||
{
|
||||
await using var connection = await OpenConnectionAsync(cancellationToken);
|
||||
await using var command = connection.CreateCommand();
|
||||
command.CommandText = SelectFriendSubjectsSql;
|
||||
command.Parameters.AddWithValue("@subject", subject);
|
||||
|
||||
var subjects = new List<string>();
|
||||
await using var reader = await command.ExecuteReaderAsync(cancellationToken);
|
||||
while (await reader.ReadAsync(cancellationToken))
|
||||
{
|
||||
subjects.Add(ReadString(reader, "friend_subject"));
|
||||
}
|
||||
|
||||
return subjects;
|
||||
}
|
||||
|
||||
public async Task DeleteUserAsync(string subject, CancellationToken cancellationToken)
|
||||
{
|
||||
await using var connection = await OpenConnectionAsync(cancellationToken);
|
||||
await using (var command = connection.CreateCommand())
|
||||
{
|
||||
command.CommandText = DeleteUserFriendshipsSql;
|
||||
command.Parameters.AddWithValue("@subject", subject);
|
||||
await command.ExecuteNonQueryAsync(cancellationToken);
|
||||
}
|
||||
|
||||
await using (var command = connection.CreateCommand())
|
||||
{
|
||||
command.CommandText = DeleteUserInvitationsSql;
|
||||
command.Parameters.AddWithValue("@subject", subject);
|
||||
await command.ExecuteNonQueryAsync(cancellationToken);
|
||||
}
|
||||
}
|
||||
|
||||
private async Task CreateSchemaAsync(MySqlConnection connection, CancellationToken cancellationToken)
|
||||
{
|
||||
await using (var command = connection.CreateCommand())
|
||||
{
|
||||
command.CommandText = CreateFriendshipsTableSql;
|
||||
await command.ExecuteNonQueryAsync(cancellationToken);
|
||||
}
|
||||
|
||||
await using (var command = connection.CreateCommand())
|
||||
{
|
||||
command.CommandText = CreateInvitationsTableSql;
|
||||
await command.ExecuteNonQueryAsync(cancellationToken);
|
||||
}
|
||||
}
|
||||
|
||||
private async Task<MySqlConnection> OpenConnectionAsync(CancellationToken cancellationToken)
|
||||
{
|
||||
var connection = new MySqlConnection(_options.BuildConnectionString());
|
||||
await connection.OpenAsync(cancellationToken);
|
||||
return connection;
|
||||
}
|
||||
|
||||
private static (string SubjectLow, string SubjectHigh) NormalizePair(string subjectA, string subjectB)
|
||||
=> string.CompareOrdinal(subjectA, subjectB) <= 0
|
||||
? (subjectA, subjectB)
|
||||
: (subjectB, subjectA);
|
||||
|
||||
private static string? NormalizeQuery(string? query)
|
||||
{
|
||||
var trimmed = query?.Trim();
|
||||
if (string.IsNullOrWhiteSpace(trimmed))
|
||||
{
|
||||
return null;
|
||||
}
|
||||
|
||||
if (trimmed.Length < 2)
|
||||
{
|
||||
throw new SocialValidationException("La recherche d'amis demande au moins 2 caracteres.");
|
||||
}
|
||||
|
||||
return trimmed.Length > 80
|
||||
? trimmed[..80]
|
||||
: trimmed;
|
||||
}
|
||||
|
||||
private static async Task<bool> UserExistsAsync(
|
||||
MySqlConnection connection,
|
||||
MySqlTransaction transaction,
|
||||
string subject,
|
||||
CancellationToken cancellationToken)
|
||||
{
|
||||
await using var command = connection.CreateCommand();
|
||||
command.Transaction = transaction;
|
||||
command.CommandText = SelectKnownUserSubjectSql;
|
||||
command.Parameters.AddWithValue("@subject", subject);
|
||||
return await command.ExecuteScalarAsync(cancellationToken) is not null;
|
||||
}
|
||||
|
||||
private static async Task<bool> FriendshipExistsAsync(
|
||||
MySqlConnection connection,
|
||||
MySqlTransaction? transaction,
|
||||
string subjectLow,
|
||||
string subjectHigh,
|
||||
CancellationToken cancellationToken)
|
||||
{
|
||||
await using var command = connection.CreateCommand();
|
||||
command.Transaction = transaction;
|
||||
command.CommandText = SelectFriendshipExistsSql;
|
||||
command.Parameters.AddWithValue("@subjectLow", subjectLow);
|
||||
command.Parameters.AddWithValue("@subjectHigh", subjectHigh);
|
||||
return await command.ExecuteScalarAsync(cancellationToken) is not null;
|
||||
}
|
||||
|
||||
private static async Task<InvitationRow?> ReadInvitationBetweenAsync(
|
||||
MySqlConnection connection,
|
||||
MySqlTransaction transaction,
|
||||
string subjectA,
|
||||
string subjectB,
|
||||
CancellationToken cancellationToken)
|
||||
{
|
||||
await using var command = connection.CreateCommand();
|
||||
command.Transaction = transaction;
|
||||
command.CommandText = SelectInvitationBetweenSql;
|
||||
command.Parameters.AddWithValue("@subjectA", subjectA);
|
||||
command.Parameters.AddWithValue("@subjectB", subjectB);
|
||||
|
||||
await using var reader = await command.ExecuteReaderAsync(cancellationToken);
|
||||
if (!await reader.ReadAsync(cancellationToken))
|
||||
{
|
||||
return null;
|
||||
}
|
||||
|
||||
return new InvitationRow(
|
||||
ReadInt64(reader, "id"),
|
||||
ReadString(reader, "sender_subject"),
|
||||
ReadString(reader, "recipient_subject"));
|
||||
}
|
||||
|
||||
private static async Task<InvitationRow?> ReadInvitationForRecipientAsync(
|
||||
MySqlConnection connection,
|
||||
MySqlTransaction? transaction,
|
||||
long invitationId,
|
||||
string recipientSubject,
|
||||
CancellationToken cancellationToken)
|
||||
{
|
||||
await using var command = connection.CreateCommand();
|
||||
command.Transaction = transaction;
|
||||
command.CommandText = SelectInvitationForRecipientSql;
|
||||
command.Parameters.AddWithValue("@invitationId", invitationId);
|
||||
command.Parameters.AddWithValue("@recipientSubject", recipientSubject);
|
||||
|
||||
await using var reader = await command.ExecuteReaderAsync(cancellationToken);
|
||||
if (!await reader.ReadAsync(cancellationToken))
|
||||
{
|
||||
return null;
|
||||
}
|
||||
|
||||
return new InvitationRow(
|
||||
ReadInt64(reader, "id"),
|
||||
ReadString(reader, "sender_subject"),
|
||||
ReadString(reader, "recipient_subject"));
|
||||
}
|
||||
|
||||
private static async Task<InvitationRow?> ReadInvitationForSenderAsync(
|
||||
MySqlConnection connection,
|
||||
MySqlTransaction? transaction,
|
||||
long invitationId,
|
||||
string senderSubject,
|
||||
CancellationToken cancellationToken)
|
||||
{
|
||||
await using var command = connection.CreateCommand();
|
||||
command.Transaction = transaction;
|
||||
command.CommandText = """
|
||||
SELECT
|
||||
id,
|
||||
sender_subject,
|
||||
recipient_subject
|
||||
FROM social_friend_invitations
|
||||
WHERE id = @invitationId
|
||||
AND sender_subject = @senderSubject
|
||||
LIMIT 1;
|
||||
""";
|
||||
command.Parameters.AddWithValue("@invitationId", invitationId);
|
||||
command.Parameters.AddWithValue("@senderSubject", senderSubject);
|
||||
|
||||
await using var reader = await command.ExecuteReaderAsync(cancellationToken);
|
||||
if (!await reader.ReadAsync(cancellationToken))
|
||||
{
|
||||
return null;
|
||||
}
|
||||
|
||||
return new InvitationRow(
|
||||
ReadInt64(reader, "id"),
|
||||
ReadString(reader, "sender_subject"),
|
||||
ReadString(reader, "recipient_subject"));
|
||||
}
|
||||
|
||||
private static bool ReadBoolean(MySqlDataReader reader, string columnName)
|
||||
=> Convert.ToInt32(reader[columnName]) > 0;
|
||||
|
||||
private static string ReadString(MySqlDataReader reader, string columnName)
|
||||
=> reader.GetString(reader.GetOrdinal(columnName));
|
||||
|
||||
private static long ReadInt64(MySqlDataReader reader, string columnName)
|
||||
=> reader.GetInt64(reader.GetOrdinal(columnName));
|
||||
|
||||
private static DateTime ReadDateTime(MySqlDataReader reader, string columnName)
|
||||
=> reader.GetDateTime(reader.GetOrdinal(columnName));
|
||||
|
||||
private static string? ReadNullableString(MySqlDataReader reader, string columnName)
|
||||
{
|
||||
var ordinal = reader.GetOrdinal(columnName);
|
||||
return reader.IsDBNull(ordinal)
|
||||
? null
|
||||
: reader.GetString(ordinal);
|
||||
}
|
||||
|
||||
private sealed record InvitationRow(long Id, string SenderSubject, string RecipientSubject);
|
||||
}
|
||||
Reference in New Issue
Block a user