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refactor db functions

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This commit is contained in:
Sisi
2026-04-04 13:05:39 +02:00
parent fc14987d6d
commit 55095d5f02
2 changed files with 33 additions and 101 deletions
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database.go
+8 -89
View File
@@ -72,9 +72,7 @@ func DbInit(ctx context.Context) {
} }
} }
// DbUserSaveWithoutGroupsConnections saves user in db without groups and sets its id func DbUserSave(ctx context.Context, user *User) error {
// return: error if not successful
func DbUserSaveWithoutGroupsConnections(ctx context.Context, user *User) error {
err := dbConn.QueryRow(ctx, ` err := dbConn.QueryRow(ctx, `
INSERT INTO users (name, pass_hash, pronouns, color_red, color_green, color_blue, created_at) INSERT INTO users (name, pass_hash, pronouns, color_red, color_green, color_blue, created_at)
VALUES ($1, $2, $3, $4, $5, $6, $7) VALUES ($1, $2, $3, $4, $5, $6, $7)
@@ -84,8 +82,6 @@ func DbUserSaveWithoutGroupsConnections(ctx context.Context, user *User) error {
return err return err
} }
// DbUserDelete deletes given user by id
// return: error if not successful
func DbUserDelete(ctx context.Context, id uint32) error { func DbUserDelete(ctx context.Context, id uint32) error {
_, err := dbConn.Exec(ctx, ` _, err := dbConn.Exec(ctx, `
DELETE FROM users WHERE id = $1 DELETE FROM users WHERE id = $1
@@ -93,48 +89,21 @@ func DbUserDelete(ctx context.Context, id uint32) error {
return err return err
} }
// DbUserSetByName sets all fields of given struct with database's data func DbGetUserByName(ctx context.Context, user *User) error {
// return: error if not successful
func DbUserSetByName(ctx context.Context, user *User) error {
err := dbConn.QueryRow(ctx, ` err := dbConn.QueryRow(ctx, `
SELECT id, name, pass_hash, pronouns, color_red, color_green, color_blue, created_at FROM users WHERE name = $1 SELECT id, name, pass_hash, pronouns, color_red, color_green, color_blue, created_at FROM users WHERE name = $1
`, user.Name).Scan(&user.Id, &user.Name, &user.PasswordHash, &user.Pronouns, &user.Color[0], &user.Color[1], &user.Color[2], &user.CreatedAt) `, user.Name).Scan(&user.Id, &user.Name, &user.PasswordHash, &user.Pronouns, &user.Color[0], &user.Color[1], &user.Color[2], &user.CreatedAt)
if err != nil {
return err return err
} }
err = DbUserSetGroups(ctx, user)
if err != nil {
return err
}
return DbUserSetConnections(ctx, user)
}
// DbUserSetByIdWithoutGroupsConnections sets all fields of given struct with database's data using id, excluding groups func DbGetUserById(ctx context.Context, user *User) error {
// return: error if not successful
func DbUserSetByIdWithoutGroupsConnections(ctx context.Context, user *User) error {
err := dbConn.QueryRow(ctx, ` err := dbConn.QueryRow(ctx, `
SELECT name, pass_hash, pronouns, color_red, color_green, color_blue, created_at FROM users WHERE id = $1 SELECT name, pass_hash, pronouns, color_red, color_green, color_blue, created_at FROM users WHERE id = $1
`, user.Id).Scan(&user.Name, &user.PasswordHash, &user.Pronouns, &user.Color[0], &user.Color[1], &user.Color[2], &user.CreatedAt) `, user.Id).Scan(&user.Name, &user.PasswordHash, &user.Pronouns, &user.Color[0], &user.Color[1], &user.Color[2], &user.CreatedAt)
return err return err
} }
// DbUserSetById sets all fields of given struct with database's data using id, including groups func DbGetUserGroups(ctx context.Context, user *User) error {
// return: error if not successful
func DbUserSetById(ctx context.Context, user *User) error {
err := DbUserSetByIdWithoutGroupsConnections(ctx, user)
if err != nil {
return err
}
err = DbUserSetGroups(ctx, user)
if err != nil {
return err
}
return DbUserSetConnections(ctx, user)
}
// DbUserSetGroups populates user's Groups map with ids of all groups the user belongs to from database
// return: error if not successful
func DbUserSetGroups(ctx context.Context, user *User) error {
rows, err := dbConn.Query(ctx, ` rows, err := dbConn.Query(ctx, `
SELECT group_id FROM chat_group_members WHERE user_id = $1 SELECT group_id FROM chat_group_members WHERE user_id = $1
`, user.Id) `, user.Id)
@@ -154,7 +123,7 @@ func DbUserSetGroups(ctx context.Context, user *User) error {
return rows.Err() return rows.Err()
} }
func DbUserSetConnections(ctx context.Context, user *User) error { func DbGetUserConnections(ctx context.Context, user *User) error {
rows, err := dbConn.Query(ctx, ` rows, err := dbConn.Query(ctx, `
SELECT requestor_id, recipient_id, is_accepted, created_at FROM user_connections WHERE requestor_id = $1 or recipient_id = $1 SELECT requestor_id, recipient_id, is_accepted, created_at FROM user_connections WHERE requestor_id = $1 or recipient_id = $1
`) `)
@@ -195,8 +164,6 @@ func DbUserSetConnections(ctx context.Context, user *User) error {
return rows.Err() return rows.Err()
} }
// DbUserSetColor set user's color based on id
// return: error if not successful
func DbUserSetColor(ctx context.Context, user *User) error { func DbUserSetColor(ctx context.Context, user *User) error {
_, err := dbConn.Exec(ctx, ` _, err := dbConn.Exec(ctx, `
UPDATE users SET color_red = $1, color_green = $2, color_blue = $3 WHERE id = $4 UPDATE users SET color_red = $1, color_green = $2, color_blue = $3 WHERE id = $4
@@ -204,8 +171,6 @@ func DbUserSetColor(ctx context.Context, user *User) error {
return err return err
} }
// DbUserSetPronouns set user's pronouns based on id
// return: error if not successful
func DbUserSetPronouns(ctx context.Context, user *User) error { func DbUserSetPronouns(ctx context.Context, user *User) error {
_, err := dbConn.Exec(ctx, ` _, err := dbConn.Exec(ctx, `
UPDATE users SET pronouns = $1 WHERE id = $2 UPDATE users SET pronouns = $1 WHERE id = $2
@@ -213,8 +178,6 @@ func DbUserSetPronouns(ctx context.Context, user *User) error {
return err return err
} }
// DbGroupSetColor set group's color based on id
// return: error if not successful
func DbGroupSetColor(ctx context.Context, group *Group) error { func DbGroupSetColor(ctx context.Context, group *Group) error {
_, err := dbConn.Exec(ctx, ` _, err := dbConn.Exec(ctx, `
UPDATE chat_groups SET color_red = $1, color_green = $2, color_blue = $3 WHERE id = $4 UPDATE chat_groups SET color_red = $1, color_green = $2, color_blue = $3 WHERE id = $4
@@ -223,9 +186,7 @@ func DbGroupSetColor(ctx context.Context, group *Group) error {
return err return err
} }
// DbGroupSaveWithoutUsers saves group in db and sets its id, also adds the owner as first member func DbGroupSave(ctx context.Context, group *Group) error {
// return: error if not successful
func DbGroupSaveWithoutUsers(ctx context.Context, group *Group) error {
err := dbConn.QueryRow(ctx, ` err := dbConn.QueryRow(ctx, `
INSERT INTO chat_groups (name, creator_id, owner_id, enable_client_colors, color_red, color_green, color_blue, created_at) INSERT INTO chat_groups (name, creator_id, owner_id, enable_client_colors, color_red, color_green, color_blue, created_at)
VALUES ($1, $2, $3, $4, $5, $6, $7, $8) VALUES ($1, $2, $3, $4, $5, $6, $7, $8)
@@ -242,8 +203,6 @@ func DbGroupSaveWithoutUsers(ctx context.Context, group *Group) error {
return err return err
} }
// DbGroupDelete deletes given group by id
// return: error if not successful
func DbGroupDelete(ctx context.Context, group *Group) error { func DbGroupDelete(ctx context.Context, group *Group) error {
_, err := dbConn.Exec(ctx, ` _, err := dbConn.Exec(ctx, `
DELETE FROM chat_groups WHERE id = $1 DELETE FROM chat_groups WHERE id = $1
@@ -251,16 +210,14 @@ func DbGroupDelete(ctx context.Context, group *Group) error {
return err return err
} }
// DbGroupSetWithoutUsersById sets all fields of given struct with database's data using id, populates Users map with member ids but not their data func DbGetGroupById(ctx context.Context, group *Group) error {
// return: error if not successful
func DbGroupSetWithoutUsersById(ctx context.Context, group *Group) error {
err := dbConn.QueryRow(ctx, ` err := dbConn.QueryRow(ctx, `
SELECT name, creator_id, owner_id, enable_client_colors, color_red, color_green, color_blue, created_at FROM chat_groups WHERE id = $1 SELECT name, creator_id, owner_id, enable_client_colors, color_red, color_green, color_blue, created_at FROM chat_groups WHERE id = $1
`, group.Id).Scan(&group.Name, &group.CreatorId, &group.OwnerId, &group.EnableUserColors, &group.Color[0], &group.Color[1], &group.Color[2], &group.CreatedAt) `, group.Id).Scan(&group.Name, &group.CreatorId, &group.OwnerId, &group.EnableUserColors, &group.Color[0], &group.Color[1], &group.Color[2], &group.CreatedAt)
if err != nil {
return err return err
} }
func DbGetGroupMembers(ctx context.Context, group *Group) error {
rows, err := dbConn.Query(ctx, ` rows, err := dbConn.Query(ctx, `
SELECT user_id FROM chat_group_members WHERE group_id = $1 SELECT user_id FROM chat_group_members WHERE group_id = $1
`, group.Id) `, group.Id)
@@ -280,40 +237,6 @@ func DbGroupSetWithoutUsersById(ctx context.Context, group *Group) error {
return rows.Err() return rows.Err()
} }
// DbGroupSetById sets all fields of given struct with database's data using id, including full member user data
// return: error if not successful
func DbGroupSetById(ctx context.Context, group *Group) error {
err := DbGroupSetWithoutUsersById(ctx, group)
if err != nil {
return err
}
return DbGroupSetMembers(ctx, group)
}
// DbGroupSetMembers populates group's Users map with ids of all members from database
// return: error if not successful
func DbGroupSetMembers(ctx context.Context, group *Group) error {
rows, err := dbConn.Query(ctx, `
SELECT user_id FROM chat_group_members WHERE group_id = $1
`, group.Id)
if err != nil {
return err
}
defer rows.Close()
group.Users = make(map[uint32]struct{})
for rows.Next() {
var userId uint32
if err := rows.Scan(&userId); err != nil {
return err
}
group.Users[userId] = struct{}{}
}
return rows.Err()
}
// DbGroupAddUsers adds given users to group in db, silently ignores already existing members
// return: error if not successful
func DbGroupAddUsers(ctx context.Context, groupId uint32, userIds *[MaxUsersInGroup]uint32) error { func DbGroupAddUsers(ctx context.Context, groupId uint32, userIds *[MaxUsersInGroup]uint32) error {
batch := &pgx.Batch{} batch := &pgx.Batch{}
now := time.Now() now := time.Now()
@@ -339,8 +262,6 @@ func DbGroupAddUsers(ctx context.Context, groupId uint32, userIds *[MaxUsersInGr
return nil return nil
} }
// DbGroupRemoveUsers removes given users from group in db, silently ignores not existing members
// return: deleted users count, error if not successful
func DbGroupRemoveUsers(ctx context.Context, groupId uint32, userIds *[MaxUsersInGroup]uint32) (int, error) { func DbGroupRemoveUsers(ctx context.Context, groupId uint32, userIds *[MaxUsersInGroup]uint32) (int, error) {
batch := &pgx.Batch{} batch := &pgx.Batch{}
var count int var count int
@@ -366,8 +287,6 @@ func DbGroupRemoveUsers(ctx context.Context, groupId uint32, userIds *[MaxUsersI
return deleted, nil return deleted, nil
} }
// DbGroupSetOwnerId set group's owner based on id
// return: error if not successful
func DbGroupSetOwnerId(ctx context.Context, group *Group) error { func DbGroupSetOwnerId(ctx context.Context, group *Group) error {
_, err := dbConn.Exec(ctx, ` _, err := dbConn.Exec(ctx, `
UPDATE chat_groups SET owner_id = $1 WHERE id = $2 UPDATE chat_groups SET owner_id = $1 WHERE id = $2
http.go
+22 -9
View File
@@ -31,8 +31,13 @@ func getUser(ctx context.Context, token string) (*User, error) {
user, err := CacheGetUserById(userId) user, err := CacheGetUserById(userId)
if err != nil { if err != nil {
user = &User{Id: userId} user = &User{Id: userId}
err = DbUserSetById(ctx, user) if err = DbGetUserById(ctx, user); err != nil {
if err != nil { return nil, err
}
if err = DbGetUserGroups(ctx, user); err != nil {
return nil, err
}
if err = DbGetUserConnections(ctx, user); err != nil {
return nil, err return nil, err
} }
CacheSaveUser(user) CacheSaveUser(user)
@@ -45,8 +50,10 @@ func getGroup(ctx context.Context, groupId uint32) (*Group, error) {
group, err := CacheGetGroup(groupId) group, err := CacheGetGroup(groupId)
if err != nil { if err != nil {
group = &Group{Id: groupId} group = &Group{Id: groupId}
err = DbGroupSetById(ctx, group) if err = DbGetGroupById(ctx, group); err != nil {
if err != nil { return nil, err
}
if err = DbGetGroupMembers(ctx, group); err != nil {
return nil, err return nil, err
} }
CacheSaveGroup(group) CacheSaveGroup(group)
@@ -125,7 +132,7 @@ func HttpHandleUserNew(response http.ResponseWriter, request *http.Request) {
ctx := request.Context() ctx := request.Context()
err = DbUserSaveWithoutGroupsConnections(ctx, newUser) err = DbUserSave(ctx, newUser)
if err != nil { if err != nil {
http.Error(response, "name taken", http.StatusUnauthorized) http.Error(response, "name taken", http.StatusUnauthorized)
return return
@@ -236,9 +243,15 @@ func HttpHandleNewToken(response http.ResponseWriter, request *http.Request) {
user, err = CacheGetUserByName(username) user, err = CacheGetUserByName(username)
if err != nil { if err != nil {
user = &User{Name: username} user = &User{Name: username}
if err = DbGetUserByName(ctx, user); err != nil {
err := DbUserSetByName(ctx, user) http.Error(response, "bad login1", http.StatusUnauthorized)
if err != nil { return
}
if err = DbGetUserGroups(ctx, user); err != nil {
http.Error(response, "bad login1", http.StatusUnauthorized)
return
}
if err = DbGetUserConnections(ctx, user); err != nil {
http.Error(response, "bad login1", http.StatusUnauthorized) http.Error(response, "bad login1", http.StatusUnauthorized)
return return
} }
@@ -473,7 +486,7 @@ func HttpHandleGroupChangeOwner(response http.ResponseWriter, request *http.Requ
newOwner, err := CacheGetUserByName(newOwnerName) newOwner, err := CacheGetUserByName(newOwnerName)
if err != nil { if err != nil {
newOwner = &User{Name: newOwnerName} newOwner = &User{Name: newOwnerName}
err = DbUserSetByName(ctx, newOwner) err = DbGetUserByName(ctx, newOwner)
if err != nil { if err != nil {
http.Error(response, "user not in group", http.StatusBadRequest) http.Error(response, "user not in group", http.StatusBadRequest)
return return