bdoerfchen
90a5125c66
Features: - Meals now have an id instead of a title only - It is now possible to get all meals without date or restaurant filter - Sorting meals output Reviewed-on: #5 Co-authored-by: bdoerfchen <git@bissendorf.co> Co-committed-by: bdoerfchen <git@bissendorf.co>
109 lines
3.2 KiB
Go
109 lines
3.2 KiB
Go
package meals
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import (
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"context"
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"fmt"
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"slices"
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"strings"
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"time"
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"git.bissendorf.co/bissendorf/unifood/m/v2/core/handler"
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"git.bissendorf.co/bissendorf/unifood/m/v2/core/interfaces"
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"git.bissendorf.co/bissendorf/unifood/m/v2/core/interfaces/params"
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"git.bissendorf.co/bissendorf/unifood/m/v2/model/external/stwbremen"
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"git.bissendorf.co/bissendorf/unifood/m/v2/model/resources"
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"git.bissendorf.co/bissendorf/unifood/m/v2/util"
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)
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type MealsHandler struct {
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interfaces.ResourceHandler
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interfaces.GetHandler
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QueryClient interfaces.QueryClient[[]stwbremen.Meal]
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}
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func (h *MealsHandler) Get(ctx context.Context, name string, params params.Container) (*interfaces.ResourceList, error) {
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// Read parameters
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date, err := params.GetValue(handler.ParamDate)
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if err != nil {
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return nil, fmt.Errorf("unable to parse date parameter: %w", err)
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}
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restaurant, err := params.GetValue(handler.ParamRestaurant)
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if err != nil {
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return nil, fmt.Errorf("unable to parse restaurant parameter: %w", err)
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}
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// Build query
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query := "page('meals').children.filterBy('printonly', 0)"
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if date != "" {
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parsed, err := time.Parse(time.DateOnly, date.(string))
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if err != nil {
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return nil, fmt.Errorf("unable to parse date parameter: %w", err)
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}
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query += fmt.Sprintf(".filterBy('date', '%s')", parsed.Format(time.DateOnly))
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}
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if restaurant != "" {
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query += fmt.Sprintf(".filterBy('location', '%s')", restaurant.(string))
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}
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if name != "" {
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query += fmt.Sprintf(".filterBy('id', 'meals/%s')", name)
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}
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// Run query
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meals, err := h.QueryClient.Get(ctx,
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query,
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`{"title":true,"id":"page.id","ingredients":"page.ingredients.toObject","prices":"page.prices.toObject","location":true,"counter":true,"date":true,"mealadds":true,"mark":true,"frei3":true,"printonly":true,"kombicategory":true,"categories":"page.categories.split"}`,
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false,
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)
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if err != nil {
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return nil, fmt.Errorf("querying menu failed: %w", err)
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}
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// Transform to meal resource
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items := util.Transform(*meals, func(i *stwbremen.Meal) *resources.Meal {
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d, err := resources.MealFromDTO(*i)
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if err != nil {
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return &resources.Meal{}
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}
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return d
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})
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// Sort by date, restaurant and title - need to apply stable sorts in reverse order to achieve this
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slices.SortFunc(items, func(a, b *resources.Meal) int {
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return strings.Compare(a.Title, b.Title)
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})
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slices.SortStableFunc(items, func(a, b *resources.Meal) int {
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return strings.Compare(a.RestaurantID, b.RestaurantID)
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})
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slices.SortStableFunc(items, func(a, b *resources.Meal) int {
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return a.Date.Compare(b.Date)
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})
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// Return
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return &interfaces.ResourceList{
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ItemKind: resources.ResourceMeal,
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Items: util.Transform(items, func(i **resources.Meal) interfaces.Resource { return *i }),
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}, nil
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}
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func (h *MealsHandler) GetParametersForVerb(verb interfaces.Verb) []params.Registration {
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return []params.Registration{
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{
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Name: handler.ParamDate,
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ShortHand: "d",
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Description: "Meal date",
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DefaultFunc: func() string { return "" },
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ParseFunc: params.ParseString,
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},
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{
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Name: handler.ParamRestaurant,
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ShortHand: "r",
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Description: "Select a restaurant",
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DefaultFunc: func() string { return "" },
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ParseFunc: params.ParseString,
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},
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}
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}
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