54 lines
1.2 KiB
Go
54 lines
1.2 KiB
Go
package controllers_pages
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import (
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"main/mvc/models"
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"main/mvc/models/models_pages"
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"net/http"
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"path"
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"strconv"
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)
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// Обработчик странички со списком постов
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func PostsPageHandler(app *models.App) http.HandlerFunc {
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return func(w http.ResponseWriter, r *http.Request) {
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link := r.URL.Path
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cacheKey := link
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ajax := r.URL.Query().Get("ajax") == "true"
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if ajax {
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cacheKey += "?ajax=true"
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}
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if pageData, ok := app.PagesCache.Get(cacheKey); ok {
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sendPostsPage(w, pageData)
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return
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}
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postsList := app.PostsMap.PostsList()
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pageNumber, _ := strconv.Atoi(path.Base(link))
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page := models_pages.CreatePostsPage(postsList, pageNumber, app.Cfg.PostsMaxCountOnPage)
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var (
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pageData []byte
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err error
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)
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pageData, err = page.RenderPostsPage(app.Templates, app.Version, ajax)
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if err != nil {
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http.Error(w, err.Error(), http.StatusInternalServerError)
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return
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}
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app.PagesCache.Set(cacheKey, pageData)
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sendPostsPage(w, pageData)
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}
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}
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// Отправляет страницу
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func sendPostsPage(w http.ResponseWriter, data []byte) {
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w.Header().Set("Content-Type", "text/html; charset=utf-8")
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w.WriteHeader(http.StatusOK)
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w.Write(data)
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}
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