Refactor and remove sqlite and replace with MySQL

internal/storage/mysql/syndicate/create.go

@@ -0,0 +1,21 @@
+package storage
+
+import (
+	"database/sql"
+)
+
+func AddMemberToSyndicate(db *sql.DB, syndicateID, userID int) error {
+	_, err := db.Exec(`
+		INSERT INTO syndicate_members (syndicate_id, user_id, joined_at)
+		VALUES (?, ?, CURRENT_TIMESTAMP)
+	`, syndicateID, userID)
+	return err
+}
+
+func InviteUserToSyndicate(db *sql.DB, syndicateID, invitedUserID, senderID int) error {
+	_, err := db.Exec(`
+		INSERT INTO syndicate_invites (syndicate_id, invited_user_id, sent_by_user_id)
+		VALUES (?, ?, ?)
+	`, syndicateID, invitedUserID, senderID)
+	return err
+}

internal/storage/mysql/syndicate/read.go

@@ -0,0 +1,146 @@
+package storage
+
+import (
+	"database/sql"
+
+	"synlotto-website/internal/models"
+)
+
+func GetInviteTokensForSyndicate(db *sql.DB, syndicateID int) []models.SyndicateInviteToken {
+	rows, err := db.Query(`
+		SELECT token, invited_by_user_id, accepted_by_user_id, created_at, expires_at, accepted_at
+		FROM syndicate_invite_tokens
+		WHERE syndicate_id = ?
+		ORDER BY created_at DESC
+	`, syndicateID)
+	if err != nil {
+		return nil
+	}
+	defer rows.Close()
+
+	var tokens []models.SyndicateInviteToken
+	for rows.Next() {
+		var t models.SyndicateInviteToken
+		_ = rows.Scan(
+			&t.Token,
+			&t.InvitedByUserID,
+			&t.AcceptedByUserID,
+			&t.CreatedAt,
+			&t.ExpiresAt,
+			&t.AcceptedAt,
+		)
+		tokens = append(tokens, t)
+	}
+	return tokens
+}
+
+func GetPendingSyndicateInvites(db *sql.DB, userID int) []models.SyndicateInvite {
+	rows, err := db.Query(`
+		SELECT id, syndicate_id, invited_user_id, sent_by_user_id, status, created_at
+		FROM syndicate_invites
+		WHERE invited_user_id = ? AND status = 'pending'
+	`, userID)
+	if err != nil {
+		return nil
+	}
+	defer rows.Close()
+
+	var invites []models.SyndicateInvite
+	for rows.Next() {
+		var i models.SyndicateInvite
+		rows.Scan(&i.ID, &i.SyndicateID, &i.InvitedUserID, &i.SentByUserID, &i.Status, &i.CreatedAt)
+		invites = append(invites, i)
+	}
+	return invites
+}
+
+func GetSyndicateByID(db *sql.DB, id int) (*models.Syndicate, error) {
+	row := db.QueryRow(`SELECT id, name, description, owner_id, created_at FROM syndicates WHERE id = ?`, id)
+	var s models.Syndicate
+	err := row.Scan(&s.ID, &s.Name, &s.Description, &s.OwnerID, &s.CreatedAt)
+	if err != nil {
+		return nil, err
+	}
+	return &s, nil
+}
+
+func GetSyndicatesByMember(db *sql.DB, userID int) []models.Syndicate {
+	rows, err := db.Query(`
+		SELECT s.id, s.name, s.description, s.created_at, s.owner_id
+		FROM syndicates s
+		JOIN syndicate_members m ON s.id = m.syndicate_id
+		WHERE m.user_id = ?`, userID)
+	if err != nil {
+		return nil
+	}
+	defer rows.Close()
+
+	var syndicates []models.Syndicate
+	for rows.Next() {
+		var s models.Syndicate
+		err := rows.Scan(&s.ID, &s.Name, &s.Description, &s.CreatedAt, &s.OwnerID)
+		if err == nil {
+			syndicates = append(syndicates, s)
+		}
+	}
+	return syndicates
+}
+
+func GetSyndicatesByOwner(db *sql.DB, ownerID int) []models.Syndicate {
+	rows, err := db.Query(`
+		SELECT id, name, description, created_at, owner_id 
+		FROM syndicates 
+		WHERE owner_id = ?`, ownerID)
+	if err != nil {
+		return nil
+	}
+	defer rows.Close()
+
+	var syndicates []models.Syndicate
+	for rows.Next() {
+		var s models.Syndicate
+		err := rows.Scan(&s.ID, &s.Name, &s.Description, &s.CreatedAt, &s.OwnerID)
+		if err == nil {
+			syndicates = append(syndicates, s)
+		}
+	}
+	return syndicates
+}
+
+func GetSyndicateMembers(db *sql.DB, syndicateID int) []models.SyndicateMember {
+	rows, err := db.Query(`
+		SELECT m.user_id, u.username, m.joined_at
+		FROM syndicate_members m
+		JOIN users u ON u.id = m.user_id
+		WHERE m.syndicate_id = ?
+	`, syndicateID)
+	if err != nil {
+		return nil
+	}
+	defer rows.Close()
+
+	var members []models.SyndicateMember
+	for rows.Next() {
+		var m models.SyndicateMember
+		err := rows.Scan(&m.UserID, &m.UserID, &m.JoinedAt)
+		if err == nil {
+			members = append(members, m)
+		}
+	}
+	return members
+}
+
+func IsSyndicateManager(db *sql.DB, syndicateID, userID int) bool {
+	var count int
+	err := db.QueryRow(`
+		SELECT COUNT(*) FROM syndicates 
+		WHERE id = ? AND owner_id = ?
+	`, syndicateID, userID).Scan(&count)
+	return err == nil && count > 0
+}
+
+func IsSyndicateMember(db *sql.DB, syndicateID, userID int) bool {
+	var count int
+	err := db.QueryRow(`SELECT COUNT(*) FROM syndicate_members WHERE syndicate_id = ? AND user_id = ?`, syndicateID, userID).Scan(&count)
+	return err == nil && count > 0
+}

internal/storage/mysql/syndicate/update.go

@@ -0,0 +1,14 @@
+package storage
+
+import (
+	"database/sql"
+)
+
+func UpdateInviteStatus(db *sql.DB, inviteID int, status string) error {
+	_, err := db.Exec(`
+		UPDATE syndicate_invites
+		SET status = ?
+		WHERE id = ?
+	`, status, inviteID)
+	return err
+}