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project.go
106 lines (94 loc) · 2.66 KB
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project.go
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package model
import (
"appengine/datastore"
"bytes"
"fmt"
"github.com/soundtrackyourbrand/utils/gae"
"github.com/soundtrackyourbrand/utils/gae/memcache"
"github.com/soundtrackyourbrand/utils/web/jsoncontext"
"sort"
"time"
)
type Projects []Project
func (self Projects) Len() int {
return len(self)
}
func (self Projects) Swap(i, j int) {
self[i], self[j] = self[j], self[i]
}
func (self Projects) Less(i, j int) bool {
return bytes.Compare([]byte(self[i].Name), []byte(self[j].Name)) < 0
}
type Project struct {
Id *datastore.Key `datastore:"-"`
UserId int
Name string `update_scopes:"basic"`
Repositories []string `update_scopes:"basic"`
CreatedAt time.Time
UpdatedAt time.Time
}
func (self *Project) Save(c HTTPContext) (err error) {
self.UserId = c.User().Id
self.UpdatedAt = time.Now()
if self.Id == nil {
self.CreatedAt = time.Now()
self.Id, err = datastore.Put(c, datastore.NewKey(c, "Project", "", 0, nil), self)
} else {
_, err = datastore.Put(c, self.Id, self)
}
if err != nil {
return
}
err = memcache.Del(c, projectsKeyByUserId(self.UserId), projectKeyByUserIdAndId(self.UserId, self.Id))
return
}
func (self *Project) Delete(c HTTPContext) (err error) {
if err = datastore.Delete(c, self.Id); err != nil {
return
}
err = memcache.Del(c, projectsKeyByUserId(self.UserId), projectKeyByUserIdAndId(self.UserId, self.Id))
return
}
func projectKeyByUserIdAndId(userId, id interface{}) string {
return fmt.Sprintf("Project{UserId:%v,Id:%v}", userId, id)
}
func projectsKeyByUserId(userId interface{}) string {
return fmt.Sprintf("Projects{UserId:%v}", userId)
}
func GetProjectById(c HTTPContext, id *datastore.Key) (result *Project, err error) {
if c.User() == nil {
err = jsoncontext.NewError(401, "No such project found", fmt.Sprintf("No user logged in"), nil)
return
}
var project Project
var found bool
if found, err = memcache.Memoize(c, projectKeyByUserIdAndId(c.User().Id, id), &project, func() (interface{}, error) {
err := datastore.Get(c, id, &project)
if err != nil {
return nil, err
}
project.Id = id
return &project, nil
}); err == nil && found {
result = &project
}
return
}
func GetProjectsByUserId(c HTTPContext) (result Projects, err error) {
result = Projects{}
if c.User() == nil {
return
}
_, err = memcache.Memoize(c, projectsKeyByUserId(c.User().Id), &result, func() (interface{}, error) {
ids, err := datastore.NewQuery("Project").Filter("UserId=", c.User().Id).GetAll(c, &result)
if err = gae.FilterOkErrors(err); err != nil {
return nil, err
}
for index, id := range ids {
result[index].Id = id
}
sort.Sort(result)
return result, nil
})
return
}