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// Copyright (c) 2015 Spinpunch, Inc. All Rights Reserved.
// See License.txt for license information.
package model
import (
"encoding/json"
"io"
"unicode/utf8"
)
const (
PREFERENCE_CATEGORY_DIRECT_CHANNEL_SHOW = "direct_channel_show"
PREFERENCE_CATEGORY_TUTORIAL_STEPS = "tutorial_step"
)
type Preference struct {
UserId string `json:"user_id"`
Category string `json:"category"`
Name string `json:"name"`
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 {
return NewAppError("Preference.IsValid", "Invalid category", "category="+o.Category)
}
if len(o.Name) == 0 || len(o.Name) > 32 {
return NewAppError("Preference.IsValid", "Invalid name", "name="+o.Name)
}
if utf8.RuneCountInString(o.Value) > 128 {
return NewAppError("Preference.IsValid", "Value is too long", "value="+o.Value)
}
return nil
}
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