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|
package view
import (
"net/http"
"sort"
"xengineering.eu/ceres/model"
)
func RecipeRead(db *model.DB) http.Handler {
return http.HandlerFunc(
func(w http.ResponseWriter, r *http.Request) {
var data struct {
Recipe model.Recipe
HasIngredients bool
Summary []model.Ingredient
}
data.Recipe.Id = r.PathValue("id")
var obj model.Object = &data.Recipe
err := db.Transaction(obj.Read)
if err != nil {
http.Error(w, err.Error(), http.StatusInternalServerError)
return
}
data.HasIngredients = false
for _, step := range data.Recipe.Steps {
if len(step.Ingredients) > 0 {
data.HasIngredients = true
}
for _, ingredient := range step.Ingredients {
data.Summary = append(data.Summary, ingredient)
}
}
sort.Slice(data.Summary, func(i, j int) bool {
return data.Summary[i].Type < data.Summary[j].Type
})
template := "recipe"
view, ok := r.URL.Query()["view"]
if ok {
if len(view) > 1 {
http.Error(w, "More than one 'view' parameter given in URL", http.StatusBadRequest)
return
}
template = view[0]
}
is_valid := false
valid_templates := []string{
"recipe",
"recipe-edit",
"recipe-confirm-deletion",
}
for _, v := range valid_templates {
if template == v {
is_valid = true
}
}
if !is_valid {
http.Error(w, "Unsupported view: "+template, http.StatusBadRequest)
return
}
err = html.ExecuteTemplate(w, template, data)
if err != nil {
http.Error(w, err.Error(), http.StatusInternalServerError)
return
}
},
)
}
func RecipeCreate() http.Handler {
return http.HandlerFunc(
func(w http.ResponseWriter, r *http.Request) {
var data struct {
Recipe model.Recipe
}
err := html.ExecuteTemplate(w, "recipe-edit", data)
if err != nil {
http.Error(w, err.Error(), http.StatusInternalServerError)
return
}
},
)
}
|
