Added model class for user preferences object

1 files changed, 74 insertions, 0 deletions

diff --git a/model/preference.go b/model/preference.go
new file mode 100644
index 000000000..900c1d7a0
--- /dev/null
+++ b/model/preference.go
@@ -0,0 +1,74 @@
+// Copyright (c) 2015 Spinpunch, Inc. All Rights Reserved.
+// See License.txt for license information.
+
+package model
+
+import (
+	"encoding/json"
+	"io"
+)
+
+const (
+	PREFERENCE_CATEGORY_DIRECT_CHANNELS = "direct_channels"
+	PREFERENCE_NAME_SHOWHIDE            = "show_hide"
+)
+
+type Preference struct {
+	UserId   string `json:"user_id"`
+	Category string `json:"category"`
+	Name     string `json:"name"`
+	AltId    string `json:"alt_id"`
+	Value    string `json:"value"`
+}
+
+func (o *Preference) ToJson() string {
+	b, err := json.Marshal(o)
+	if err != nil {
+		return ""
+	} else {
+		return string(b)
+	}
+}
+
+func PreferenceFromJson(data io.Reader) *Preference {
+	decoder := json.NewDecoder(data)
+	var o Preference
+	err := decoder.Decode(&o)
+	if err == nil {
+		return &o
+	} else {
+		return nil
+	}
+}
+
+func (o *Preference) IsValid() *AppError {
+	if len(o.UserId) != 26 {
+		return NewAppError("Preference.IsValid", "Invalid user id", "user_id="+o.UserId)
+	}
+
+	if len(o.Category) == 0 || len(o.Category) > 32 || !IsPreferenceCategoryValid(o.Category) {
+		return NewAppError("Preference.IsValid", "Invalid category", "category="+o.Category)
+	}
+
+	if len(o.Name) == 0 || len(o.Name) > 32 || !IsPreferenceNameValid(o.Name) {
+		return NewAppError("Preference.IsValid", "Invalid name", "name="+o.Name)
+	}
+
+	if o.AltId != "" && len(o.AltId) != 26 {
+		return NewAppError("Preference.IsValid", "Invalid alternate id", "altId="+o.AltId)
+	}
+
+	if len(o.Value) > 128 {
+		return NewAppError("Preference.IsValid", "Value is too long", "value="+o.Value)
+	}
+
+	return nil
+}
+
+func IsPreferenceCategoryValid(category string) bool {
+	return category == PREFERENCE_CATEGORY_DIRECT_CHANNELS
+}
+
+func IsPreferenceNameValid(name string) bool {
+	return name == PREFERENCE_NAME_SHOWHIDE
+}