Patching remainder of the sql stmts to work with postgres

store/sql_channel_store.go

@@ -6,7 +6,6 @@ package store
 import (
 	"github.com/mattermost/platform/model"
 	"github.com/mattermost/platform/utils"
-	"strings"
 )
 
 type SqlChannelStore struct {
@@ -81,14 +80,14 @@ func (s SqlChannelStore) Save(channel *model.Channel) StoreChannel {
 		}
 
 		if err := s.GetMaster().Insert(channel); err != nil {
-			if strings.Contains(err.Error(), "Duplicate entry") && strings.Contains(err.Error(), "for key 'Name'") {
+			if IsUniqueConstraintError(err.Error(), "Name", "channels_name_teamid_key") {
 				dupChannel := model.Channel{}
 				s.GetReplica().SelectOne(&dupChannel, "SELECT * FROM Channels WHERE TeamId=? AND Name=? AND DeleteAt > 0", channel.TeamId, channel.Name)
-				if (dupChannel.DeleteAt > 0) {
+				if dupChannel.DeleteAt > 0 {
 					result.Err = model.NewAppError("SqlChannelStore.Update", "A channel with that name was previously created", "id="+channel.Id+", "+err.Error())
 				} else {
 					result.Err = model.NewAppError("SqlChannelStore.Update", "A channel with that name already exists", "id="+channel.Id+", "+err.Error())
-				}			
+				}
 			} else {
 				result.Err = model.NewAppError("SqlChannelStore.Save", "We couldn't save the channel", "id="+channel.Id+", "+err.Error())
 			}
@@ -119,10 +118,10 @@ func (s SqlChannelStore) Update(channel *model.Channel) StoreChannel {
 		}
 
 		if count, err := s.GetMaster().Update(channel); err != nil {
-			if strings.Contains(err.Error(), "Duplicate entry") && strings.Contains(err.Error(), "for key 'Name'") {
+			if IsUniqueConstraintError(err.Error(), "Name", "channels_name_teamid_key") {
 				dupChannel := model.Channel{}
 				s.GetReplica().SelectOne(&dupChannel, "SELECT * FROM Channels WHERE TeamId=? AND Name=? AND DeleteAt > 0", channel.TeamId, channel.Name)
-				if (dupChannel.DeleteAt > 0) {
+				if dupChannel.DeleteAt > 0 {
 					result.Err = model.NewAppError("SqlChannelStore.Update", "A channel with that name was previously created", "id="+channel.Id+", "+err.Error())
 				} else {
 					result.Err = model.NewAppError("SqlChannelStore.Update", "A channel with that name already exists", "id="+channel.Id+", "+err.Error())
@@ -296,7 +295,7 @@ func (s SqlChannelStore) SaveMember(member *model.ChannelMember) StoreChannel {
 		}
 
 		if err := s.GetMaster().Insert(member); err != nil {
-			if strings.Contains(err.Error(), "Duplicate entry") && strings.Contains(err.Error(), "for key 'ChannelId'") {
+			if IsUniqueConstraintError(err.Error(), "ChannelId", "channelmembers_pkey") {
 				result.Err = model.NewAppError("SqlChannelStore.SaveMember", "A channel member with that id already exists", "channel_id="+member.ChannelId+", user_id="+member.UserId+", "+err.Error())
 			} else {
 				result.Err = model.NewAppError("SqlChannelStore.SaveMember", "We couldn't save the channel member", "channel_id="+member.ChannelId+", user_id="+member.UserId+", "+err.Error())