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wallpaper.go
124 lines (103 loc) · 2.41 KB
/
wallpaper.go
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package models
import (
"cloud.google.com/go/datastore"
"golang.org/x/net/context"
"github.com/VoidArtanis/wallpaper/shared"
"fmt"
"github.com/nu7hatch/gouuid"
"time"
"strings"
)
type Wallpaper struct {
Title string
Id string
Description string
Tags []string
Sizes []Size
Thumb string
DisplayImage string
Date time.Time
}
type Size struct {
Size string
Url string
}
func (this *Wallpaper) Save() (err error) {
var id *uuid.UUID
id, _ = uuid.NewV4()
urlId := id.String()
this.Id = urlId
this.Date = time.Now()
key := datastore.IncompleteKey(this.kind(), nil)
ctx := context.Background()
if _, err := shared.DatastoreClient.Put(ctx, key, this); err != nil {
fmt.Println(err)
return err
}
return nil
}
func (this *Wallpaper) kind() (str string) {
return "wallpaper"
}
func GetFromTag(tag string, offset int, pageSize int) (objs *[]Wallpaper, err error) {
ctx := context.Background()
q := datastore.NewQuery("wallpaper")
q = q.Filter("Tags =", strings.ToLower(tag))
q = q.Offset(offset)
q = q.Limit(pageSize)
var data []Wallpaper
_, er := shared.DatastoreClient.GetAll(ctx, q, &data)
if er != nil {
return nil, er
}
return &data, nil
}
func GetFromTagCount(tag string) (total int, err error) {
ctx := context.Background()
q := datastore.NewQuery("wallpaper")
q = q.Filter("Tags =", strings.ToLower(tag))
//get count
count, erc := shared.DatastoreClient.Count(ctx, q)
if erc != nil {
return 0, erc
}
return count, nil
}
func GetFromId(id string) (objs *Wallpaper, err error) {
ctx := context.Background()
q := datastore.NewQuery("wallpaper")
q = q.Filter("Id =", id)
var data []Wallpaper
_, er := shared.DatastoreClient.GetAll(ctx, q, &data)
if er != nil {
return nil, er
}
if len(data) > 0 {
return &data[0], nil
} else {
return nil, nil
}
}
func GetRecentWallpapers(offset int, pageSize int) (objs *[]Wallpaper, err error) {
ctx := context.Background()
q := datastore.NewQuery("wallpaper")
q = q.Order("-Date")
q = q.Offset(offset)
q = q.Limit(pageSize)
var data []Wallpaper
_, er := shared.DatastoreClient.GetAll(ctx, q, &data)
if er != nil {
return nil, er
}
return &data, nil
}
func GetTotalRecentWallpapers() (int, error) {
ctx := context.Background()
q := datastore.NewQuery("wallpaper")
//get count
count, erc := shared.DatastoreClient.Count(ctx, q)
if erc != nil {
return 0, erc
}
return count, nil
}