43 lines
1.5 KiB
Go
43 lines
1.5 KiB
Go
package routes
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import (
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"crowsnest/internal/data"
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"crowsnest/internal/model"
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"crowsnest/internal/viewmodel"
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"html/template"
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"net/http"
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)
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// sort criteria
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type articleDateOrder struct {}
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func (ord articleDateOrder) Weight(a *model.Article) int {
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return int(a.PublishDate.Unix())
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}
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// List the latest articles using the base template.
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func Index(w http.ResponseWriter, req *http.Request) {
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// retrieve from repo
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fds, err := data.NewFileDatastore("persistence/spiegel100.json")
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if err != nil { http.Error(w, "Failed to load datastore", http.StatusInternalServerError); return; }
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repo, err := data.NewDefaultRepository[*model.Article](fds, "article")
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if err != nil { http.Error(w, "Failed to create repository", http.StatusInternalServerError); return; }
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articles, err := repo.GetByCriteria(articleDateOrder{})
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if err != nil { http.Error(w, "Failed to get articles", http.StatusInternalServerError); return; }
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// truncate
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if len(articles) > 10 {
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articles = articles[:10]
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}
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// convert to viewmodel
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articleVMs := make([]*viewmodel.ArticleViewModel, 0, len(articles))
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for _, a := range articles {
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articleVMs = append(articleVMs, viewmodel.NewArticleViewModel(a))
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}
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// render template
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t := template.Must(template.ParseFiles("web/templates/article.html", "web/templates/layout.html"))
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err = t.ExecuteTemplate(w, "base", articleVMs)
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if err != nil { http.Error(w, "Failed to render template", http.StatusInternalServerError); return; }
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}
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