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clicks.go
108 lines (80 loc) · 2.02 KB
/
clicks.go
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package app
import (
"sort"
"github.com/h2object/h2object/util"
)
type Click struct{
URI string `object:"uri"`
Count int64 `object:"count"`
}
func (ctx *context) inc_click(uri string) error {
ctx.Lock()
defer ctx.Unlock()
var click Click
if val, err := ctx.app.clicks.Get(uri, true); err == nil {
if err := util.Convert(val, &click); err != nil {
return err
}
}
click.URI = uri
click.Count++
if err := ctx.app.clicks.Put(uri, click); err != nil {
return err
}
return nil
}
func (ctx *context) get_click(uri string) (int64, error) {
ctx.RLock()
defer ctx.RUnlock()
val, err := ctx.app.clicks.Get(uri, true)
if err != nil {
return 0, err
}
var click Click
if err := util.Convert(val, &click); err != nil {
return 0, err
}
return click.Count, nil
}
type ByAsc []Click
func (a ByAsc) Len() int { return len(a) }
func (a ByAsc) Swap(i, j int) { a[i], a[j] = a[j], a[i] }
func (a ByAsc) Less(i, j int) bool { return a[i].Count < a[j].Count }
func (ctx *context) clicks_asc(namespace string, n int, suffix string) ([]Click, error) {
ctx.RLock()
defer ctx.RUnlock()
var clicks []Click
vals, err := ctx.app.clicks.MultiGet(namespace, suffix, true)
if err != nil {
return nil, err
}
if err := util.Convert(vals, &clicks); err != nil {
return nil, err
}
sort.Sort(ByAsc(clicks))
if n >= len(clicks) {
return clicks, nil
}
return clicks[0:n], nil
}
type ByDesc []Click
func (a ByDesc) Len() int { return len(a) }
func (a ByDesc) Swap(i, j int) { a[i], a[j] = a[j], a[i] }
func (a ByDesc) Less(i, j int) bool { return a[i].Count > a[j].Count }
func (ctx *context) clicks_desc(namespace string, n int, suffix string) ([]Click, error) {
ctx.RLock()
defer ctx.RUnlock()
var clicks []Click
vals, err := ctx.app.clicks.MultiGet(namespace, suffix, true)
if err != nil {
return nil, err
}
if err := util.Convert(vals, &clicks); err != nil {
return nil, err
}
sort.Sort(ByDesc(clicks))
if n >= len(clicks) {
return clicks, nil
}
return clicks[0:n], nil
}