Added Preferences table to store user preferences

store/sql_preference_store.go

@@ -0,0 +1,125 @@
+// Copyright (c) 2015 Spinpunch, Inc. All Rights Reserved.
+// See License.txt for license information.
+
+package store
+
+import (
+	"github.com/mattermost/platform/model"
+)
+
+type SqlPreferenceStore struct {
+	*SqlStore
+}
+
+func NewSqlPreferenceStore(sqlStore *SqlStore) PreferenceStore {
+	s := &SqlPreferenceStore{sqlStore}
+
+	for _, db := range sqlStore.GetAllConns() {
+		table := db.AddTableWithName(model.Preference{}, "Preferences").SetKeys(false, "UserId", "Category", "Name", "AltId")
+		table.ColMap("UserId").SetMaxSize(26)
+		table.ColMap("Category").SetMaxSize(32)
+		table.ColMap("Name").SetMaxSize(32)
+		table.ColMap("AltId").SetMaxSize(26)
+		table.ColMap("Value").SetMaxSize(128)
+	}
+
+	return s
+}
+
+func (s SqlPreferenceStore) UpgradeSchemaIfNeeded() {
+}
+
+func (s SqlPreferenceStore) CreateIndexesIfNotExists() {
+	s.CreateIndexIfNotExists("idx_preferences_user_id", "Preferences", "UserId")
+	s.CreateIndexIfNotExists("idx_preferences_category", "Preferences", "Category")
+	s.CreateIndexIfNotExists("idx_preferences_name", "Preferences", "Name")
+}
+
+func (s SqlPreferenceStore) Save(preference *model.Preference) StoreChannel {
+	storeChannel := make(StoreChannel)
+
+	go func() {
+		result := StoreResult{}
+
+		if result.Err = preference.IsValid(); result.Err != nil {
+			storeChannel <- result
+			close(storeChannel)
+			return
+		}
+
+		if err := s.GetMaster().Insert(preference); err != nil {
+			if IsUniqueConstraintError(err.Error(), "UserId", "preferences_pkey") {
+				result.Err = model.NewAppError("SqlPreferenceStore.Save", "A preference with that user id, category, name, and alt id already exists",
+					"user_id="+preference.UserId+", category="+preference.Category+", name="+preference.Name+", alt_id="+preference.AltId+", "+err.Error())
+			} else {
+				result.Err = model.NewAppError("SqlPreferenceStore.Save", "We couldn't save the preference",
+					"user_id="+preference.UserId+", category="+preference.Category+", name="+preference.Name+", alt_id="+preference.AltId+", "+err.Error())
+			}
+		} else {
+			result.Data = preference
+		}
+
+		storeChannel <- result
+		close(storeChannel)
+	}()
+
+	return storeChannel
+}
+
+func (s SqlPreferenceStore) Update(preference *model.Preference) StoreChannel {
+	storeChannel := make(StoreChannel)
+
+	go func() {
+		result := StoreResult{}
+
+		if result.Err = preference.IsValid(); result.Err != nil {
+			storeChannel <- result
+			close(storeChannel)
+			return
+		}
+
+		if count, err := s.GetMaster().Update(preference); err != nil {
+			result.Err = model.NewAppError("SqlPreferenceStore.Update", "We couldn't update the preference",
+				"user_id="+preference.UserId+", category="+preference.Category+", name="+preference.Name+", alt_id="+preference.AltId+", "+err.Error())
+		} else if count != 1 {
+			result.Err = model.NewAppError("SqlPreferenceStore.Update", "We couldn't update the preference",
+				"user_id="+preference.UserId+", category="+preference.Category+", name="+preference.Name+", alt_id="+preference.AltId)
+		} else {
+			result.Data = preference
+		}
+
+		storeChannel <- result
+		close(storeChannel)
+	}()
+
+	return storeChannel
+}
+
+func (s SqlPreferenceStore) GetByName(userId string, category string, name string) StoreChannel {
+	storeChannel := make(StoreChannel)
+
+	go func() {
+		result := StoreResult{}
+
+		var preferences []*model.Preference
+
+		if _, err := s.GetReplica().Select(&preferences,
+			`SELECT
+				*
+			FROM
+				Preferences
+			WHERE
+				UserId = :UserId
+				AND Category = :Category
+				AND Name = :Name`, map[string]interface{}{"UserId": userId, "Category": category, "Name": name}); err != nil {
+			result.Err = model.NewAppError("SqlPreferenceStore.GetByName", "We encounted an error while finding preferences", err.Error())
+		} else {
+			result.Data = preferences
+		}
+
+		storeChannel <- result
+		close(storeChannel)
+	}()
+
+	return storeChannel
+}