✨ CRUD of subscriptions

pkg/internal/server/api/index.go

@@ -45,6 +45,19 @@ func MapAPIs(app *fiber.App, baseURL string) {
 			posts.Get("/:postId/replies/featured", listPostFeaturedReply)
 		}
 
+		subscriptions := api.Group("/subscriptions").Name("Subscriptions API")
+		{
+			subscriptions.Get("/users/:userId", getSubscriptionOnUser)
+			subscriptions.Get("/tags/:tagId", getSubscriptionOnTag)
+			subscriptions.Get("/categories/:categoryId", getSubscriptionOnCategory)
+			subscriptions.Post("/users/:userId", subscribeToUser)
+			subscriptions.Post("/tags/:tagId", subscribeToTag)
+			subscriptions.Post("/categories/:categoryId", subscribeToCategory)
+			subscriptions.Delete("/users/:userId", unsubscribeFromUser)
+			subscriptions.Delete("/tags/:tagId", unsubscribeFromTag)
+			subscriptions.Delete("/categories/:categoryId", unsubscribeFromCategory)
+		}
+
 		api.Get("/categories", listCategories)
 		api.Get("/categories/:category", getCategory)
 		api.Post("/categories", newCategory)

pkg/internal/server/api/subscriptions_api.go

@@ -0,0 +1,190 @@
+package api
+
+import (
+	"fmt"
+
+	"git.solsynth.dev/hydrogen/interactive/pkg/internal/gap"
+	"git.solsynth.dev/hydrogen/interactive/pkg/internal/models"
+	"git.solsynth.dev/hydrogen/interactive/pkg/internal/services"
+	"github.com/gofiber/fiber/v2"
+)
+
+func getSubscriptionOnUser(c *fiber.Ctx) error {
+	if err := gap.H.EnsureAuthenticated(c); err != nil {
+		return err
+	}
+	user := c.Locals("user").(models.Account)
+
+	otherUserId, err := c.ParamsInt("userId", 0)
+	otherUser, err := services.GetAccountWithID(uint(otherUserId))
+	if err != nil {
+		return fiber.NewError(fiber.StatusNotFound, fmt.Sprintf("unable to get user: %v", err))
+	}
+
+	subscription, err := services.GetSubscriptionOnUser(user, otherUser)
+	if err != nil {
+		return fiber.NewError(fiber.StatusBadRequest, fmt.Sprintf("unable to get subscription: %v", err))
+	}
+
+	return c.JSON(subscription)
+}
+
+func getSubscriptionOnTag(c *fiber.Ctx) error {
+	if err := gap.H.EnsureAuthenticated(c); err != nil {
+		return err
+	}
+	user := c.Locals("user").(models.Account)
+
+	tagId, err := c.ParamsInt("tagId", 0)
+	tag, err := services.GetTagWithID(uint(tagId))
+	if err != nil {
+		return fiber.NewError(fiber.StatusNotFound, fmt.Sprintf("unable to get tag: %v", err))
+	}
+
+	subscription, err := services.GetSubscriptionOnTag(user, tag)
+	if err != nil {
+		return fiber.NewError(fiber.StatusBadRequest, fmt.Sprintf("unable to get subscription: %v", err))
+	}
+
+	return c.JSON(subscription)
+}
+
+func getSubscriptionOnCategory(c *fiber.Ctx) error {
+	if err := gap.H.EnsureAuthenticated(c); err != nil {
+		return err
+	}
+	user := c.Locals("user").(models.Account)
+
+	categoryId, err := c.ParamsInt("categoryId", 0)
+	category, err := services.GetCategoryWithID(uint(categoryId))
+	if err != nil {
+		return fiber.NewError(fiber.StatusNotFound, fmt.Sprintf("unable to get category: %v", err))
+	}
+
+	subscription, err := services.GetSubscriptionOnCategory(user, category)
+	if err != nil {
+		return fiber.NewError(fiber.StatusBadRequest, fmt.Sprintf("unable to get subscription: %v", err))
+	}
+
+	return c.JSON(subscription)
+}
+
+func subscribeToUser(c *fiber.Ctx) error {
+	if err := gap.H.EnsureAuthenticated(c); err != nil {
+		return err
+	}
+	user := c.Locals("user").(models.Account)
+
+	otherUserId, err := c.ParamsInt("userId", 0)
+	otherUser, err := services.GetAccountWithID(uint(otherUserId))
+	if err != nil {
+		return fiber.NewError(fiber.StatusNotFound, fmt.Sprintf("unable to get user: %v", err))
+	}
+
+	subscription, err := services.SubscribeToUser(user, otherUser)
+	if err != nil {
+		return fiber.NewError(fiber.StatusBadRequest, fmt.Sprintf("unable to subscribe to user: %v", err))
+	}
+
+	return c.JSON(subscription)
+}
+
+func subscribeToTag(c *fiber.Ctx) error {
+	if err := gap.H.EnsureAuthenticated(c); err != nil {
+		return err
+	}
+	user := c.Locals("user").(models.Account)
+
+	tagId, err := c.ParamsInt("tagId", 0)
+	tag, err := services.GetTagWithID(uint(tagId))
+	if err != nil {
+		return fiber.NewError(fiber.StatusNotFound, fmt.Sprintf("unable to get tag: %v", err))
+	}
+
+	subscription, err := services.SubscribeToTag(user, tag)
+	if err != nil {
+		return fiber.NewError(fiber.StatusBadRequest, fmt.Sprintf("unable to subscribe to tag: %v", err))
+	}
+
+	return c.JSON(subscription)
+}
+
+func subscribeToCategory(c *fiber.Ctx) error {
+	if err := gap.H.EnsureAuthenticated(c); err != nil {
+		return err
+	}
+	user := c.Locals("user").(models.Account)
+
+	categoryId, err := c.ParamsInt("categoryId", 0)
+	category, err := services.GetCategoryWithID(uint(categoryId))
+	if err != nil {
+		return fiber.NewError(fiber.StatusNotFound, fmt.Sprintf("unable to get category: %v", err))
+	}
+
+	subscription, err := services.SubscribeToCategory(user, category)
+	if err != nil {
+		return fiber.NewError(fiber.StatusBadRequest, fmt.Sprintf("unable to subscribe to category: %v", err))
+	}
+
+	return c.JSON(subscription)
+}
+
+func unsubscribeFromUser(c *fiber.Ctx) error {
+	if err := gap.H.EnsureAuthenticated(c); err != nil {
+		return err
+	}
+	user := c.Locals("user").(models.Account)
+
+	otherUserId, err := c.ParamsInt("userId", 0)
+	otherUser, err := services.GetAccountWithID(uint(otherUserId))
+	if err != nil {
+		return fiber.NewError(fiber.StatusNotFound, fmt.Sprintf("unable to get user: %v", err))
+	}
+
+	err = services.UnsubscribeFromUser(user, otherUser)
+	if err != nil {
+		return fiber.NewError(fiber.StatusBadRequest, fmt.Sprintf("unable to unsubscribe from user: %v", err))
+	}
+
+	return c.SendStatus(fiber.StatusOK)
+}
+
+func unsubscribeFromTag(c *fiber.Ctx) error {
+	if err := gap.H.EnsureAuthenticated(c); err != nil {
+		return err
+	}
+	user := c.Locals("user").(models.Account)
+
+	tagId, err := c.ParamsInt("tagId", 0)
+	tag, err := services.GetTagWithID(uint(tagId))
+	if err != nil {
+		return fiber.NewError(fiber.StatusNotFound, fmt.Sprintf("unable to get tag: %v", err))
+	}
+
+	err = services.UnsubscribeFromTag(user, tag)
+	if err != nil {
+		return fiber.NewError(fiber.StatusBadRequest, fmt.Sprintf("unable to unsubscribe from tag: %v", err))
+	}
+
+	return c.SendStatus(fiber.StatusOK)
+}
+
+func unsubscribeFromCategory(c *fiber.Ctx) error {
+	if err := gap.H.EnsureAuthenticated(c); err != nil {
+		return err
+	}
+	user := c.Locals("user").(models.Account)
+
+	categoryId, err := c.ParamsInt("categoryId", 0)
+	category, err := services.GetCategoryWithID(uint(categoryId))
+	if err != nil {
+		return fiber.NewError(fiber.StatusNotFound, fmt.Sprintf("unable to get category: %v", err))
+	}
+
+	err = services.UnsubscribeFromCategory(user, category)
+	if err != nil {
+		return fiber.NewError(fiber.StatusBadRequest, fmt.Sprintf("unable to unsubscribe from category: %v", err))
+	}
+
+	return c.SendStatus(fiber.StatusOK)
+}