Fixing LDAP issue with Postgres (#3033)

i18n/en.json

@@ -3499,6 +3499,10 @@
     "id": "store.sql_user.save.email_exists.app_error",
     "translation": "An account with that email already exists."
   },
+  {
+    "id": "store.sql_user.save.email_exists.ldap_app_error",
+    "translation": "This account does not use LDAP authentication. Please sign in using email and password."
+  },
   {
     "id": "store.sql_user.save.existing.app_error",
     "translation": "Must call update for exisiting user"
@@ -3515,6 +3519,10 @@
     "id": "store.sql_user.save.username_exists.app_error",
     "translation": "An account with that username already exists."
   },
+  {
+    "id": "store.sql_user.save.username_exists.ldap_app_error",
+    "translation": "An account with that username already exists. Please contact your Administrator."
+  },
   {
     "id": "store.sql_user.update.app_error",
     "translation": "We couldn't update the account"

store/sql_channel_store.go

@@ -165,7 +165,7 @@ func (s SqlChannelStore) saveChannelT(transaction *gorp.Transaction, channel *mo
 	}
 
 	if err := transaction.Insert(channel); err != nil {
-		if IsUniqueConstraintError(err.Error(), "Name", "channels_name_teamid_key") {
+		if IsUniqueConstraintError(err.Error(), []string{"Name", "channels_name_teamid_key"}) {
 			dupChannel := model.Channel{}
 			s.GetMaster().SelectOne(&dupChannel, "SELECT * FROM Channels WHERE TeamId = :TeamId AND Name = :Name AND DeleteAt > 0", map[string]interface{}{"TeamId": channel.TeamId, "Name": channel.Name})
 			if dupChannel.DeleteAt > 0 {
@@ -200,7 +200,7 @@ func (s SqlChannelStore) Update(channel *model.Channel) StoreChannel {
 		}
 
 		if count, err := s.GetMaster().Update(channel); err != nil {
-			if IsUniqueConstraintError(err.Error(), "Name", "channels_name_teamid_key") {
+			if IsUniqueConstraintError(err.Error(), []string{"Name", "channels_name_teamid_key"}) {
 				dupChannel := model.Channel{}
 				s.GetReplica().SelectOne(&dupChannel, "SELECT * FROM Channels WHERE TeamId = :TeamId AND Name= :Name AND DeleteAt > 0", map[string]interface{}{"TeamId": channel.TeamId, "Name": channel.Name})
 				if dupChannel.DeleteAt > 0 {
@@ -508,7 +508,7 @@ func (s SqlChannelStore) saveMemberT(transaction *gorp.Transaction, member *mode
 	}
 
 	if err := transaction.Insert(member); err != nil {
-		if IsUniqueConstraintError(err.Error(), "ChannelId", "channelmembers_pkey") {
+		if IsUniqueConstraintError(err.Error(), []string{"ChannelId", "channelmembers_pkey"}) {
 			result.Err = model.NewLocAppError("SqlChannelStore.SaveMember", "store.sql_channel.save_member.exists.app_error", nil, "channel_id="+member.ChannelId+", user_id="+member.UserId+", "+err.Error())
 		} else {
 			result.Err = model.NewLocAppError("SqlChannelStore.SaveMember", "store.sql_channel.save_member.save.app_error", nil, "channel_id="+member.ChannelId+", user_id="+member.UserId+", "+err.Error())

store/sql_preference_store.go

@@ -155,7 +155,7 @@ func (s SqlPreferenceStore) insert(transaction *gorp.Transaction, preference *mo
 	result := StoreResult{}
 
 	if err := transaction.Insert(preference); err != nil {
-		if IsUniqueConstraintError(err.Error(), "UserId", "preferences_pkey") {
+		if IsUniqueConstraintError(err.Error(), []string{"UserId", "preferences_pkey"}) {
 			result.Err = model.NewLocAppError("SqlPreferenceStore.insert", "store.sql_preference.insert.exists.app_error", nil,
 				"user_id="+preference.UserId+", category="+preference.Category+", name="+preference.Name+", "+err.Error())
 		} else {

store/sql_store.go

@@ -582,9 +582,16 @@ func (ss SqlStore) RemoveIndexIfExists(indexName string, tableName string) {
 	}
 }
 
-func IsUniqueConstraintError(err string, mysql string, postgres string) bool {
+func IsUniqueConstraintError(err string, indexName []string) bool {
 	unique := strings.Contains(err, "unique constraint") || strings.Contains(err, "Duplicate entry")
-	field := strings.Contains(err, mysql) || strings.Contains(err, postgres)
+	field := false
+	for _, contain := range indexName {
+		if strings.Contains(err, contain) {
+			field = true
+			break
+		}
+	}
+
 	return unique && field
 }
 

store/sql_team_store.go

@@ -68,7 +68,7 @@ func (s SqlTeamStore) Save(team *model.Team) StoreChannel {
 		}
 
 		if err := s.GetMaster().Insert(team); err != nil {
-			if IsUniqueConstraintError(err.Error(), "Name", "teams_name_key") {
+			if IsUniqueConstraintError(err.Error(), []string{"Name", "teams_name_key"}) {
 				result.Err = model.NewLocAppError("SqlTeamStore.Save", "store.sql_team.save.domain_exists.app_error", nil, "id="+team.Id+", "+err.Error())
 			} else {
 				result.Err = model.NewLocAppError("SqlTeamStore.Save", "store.sql_team.save.app_error", nil, "id="+team.Id+", "+err.Error())
@@ -370,7 +370,7 @@ func (s SqlTeamStore) SaveMember(member *model.TeamMember) StoreChannel {
 		}
 
 		if err := s.GetMaster().Insert(member); err != nil {
-			if IsUniqueConstraintError(err.Error(), "TeamId", "teammembers_pkey") {
+			if IsUniqueConstraintError(err.Error(), []string{"TeamId", "teammembers_pkey"}) {
 				result.Err = model.NewLocAppError("SqlTeamStore.SaveMember", "store.sql_team.save_member.exists.app_error", nil, "team_id="+member.TeamId+", user_id="+member.UserId+", "+err.Error())
 			} else {
 				result.Err = model.NewLocAppError("SqlTeamStore.SaveMember", "store.sql_team.save_member.save.app_error", nil, "team_id="+member.TeamId+", user_id="+member.UserId+", "+err.Error())

store/sql_user_store.go

@@ -77,9 +77,9 @@ func (us SqlUserStore) Save(user *model.User) StoreChannel {
 		}
 
 		if err := us.GetMaster().Insert(user); err != nil {
-			if IsUniqueConstraintError(err.Error(), "Email", "users_email_key") {
+			if IsUniqueConstraintError(err.Error(), []string{"Email", "users_email_key", "idx_users_email_unique"}) {
 				result.Err = model.NewLocAppError("SqlUserStore.Save", "store.sql_user.save.email_exists.app_error", nil, "user_id="+user.Id+", "+err.Error())
-			} else if IsUniqueConstraintError(err.Error(), "Username", "users_username_key") {
+			} else if IsUniqueConstraintError(err.Error(), []string{"Username", "users_username_key", "idx_users_username_unique"}) {
 				result.Err = model.NewLocAppError("SqlUserStore.Save", "store.sql_user.save.username_exists.app_error", nil, "user_id="+user.Id+", "+err.Error())
 			} else {
 				result.Err = model.NewLocAppError("SqlUserStore.Save", "store.sql_user.save.app_error", nil, "user_id="+user.Id+", "+err.Error())
@@ -155,9 +155,9 @@ func (us SqlUserStore) Update(user *model.User, trustedUpdateData bool) StoreCha
 			}
 
 			if count, err := us.GetMaster().Update(user); err != nil {
-				if IsUniqueConstraintError(err.Error(), "Email", "users_email_teamid_key") {
+				if IsUniqueConstraintError(err.Error(), []string{"Email", "users_email_key", "idx_users_email_unique"}) {
 					result.Err = model.NewLocAppError("SqlUserStore.Update", "store.sql_user.update.email_taken.app_error", nil, "user_id="+user.Id+", "+err.Error())
-				} else if IsUniqueConstraintError(err.Error(), "Username", "users_username_teamid_key") {
+				} else if IsUniqueConstraintError(err.Error(), []string{"Username", "users_username_key", "idx_users_username_unique"}) {
 					result.Err = model.NewLocAppError("SqlUserStore.Update", "store.sql_user.update.username_taken.app_error", nil, "user_id="+user.Id+", "+err.Error())
 				} else {
 					result.Err = model.NewLocAppError("SqlUserStore.Update", "store.sql_user.update.updating.app_error", nil, "user_id="+user.Id+", "+err.Error())