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Author: HotPotatoC

internal/api/api.go

@@ -39,7 +39,7 @@ func NewHandler(ctx context.Context, backend *backend.Backend) *gin.Engine {
 
 	r.GET("/sounds", h.ListSamples)
 	r.GET("/sounds/search", h.SearchSamples)
-	r.GET("/sounds/tags", h.ListTags)
+	r.GET("/sounds/tags", h.ListTagsAndCategories)
 	r.GET("/sounds/categories", h.ListCategories)
 	r.GET("/sounds/categories/:id/tags", h.ListCategoryTags)
 	r.GET("/sounds/users/:id", h.ListUserSamples)

internal/api/create_sample.go

@@ -78,6 +78,7 @@ func (h *handler) CreateSample(c *gin.Context) {
 	var input CreateSampleInput
 
 	if err := c.Bind(&input); err != nil {
+		log.Err(err).Msg(err.Error())
 		c.JSON(http.StatusBadRequest, M{
 			"message": "invalid request body",
 		})
@@ -170,7 +171,7 @@ func (h *handler) CreateSample(c *gin.Context) {
 	}
 
 	c.JSON(http.StatusCreated, M{
-		"message":  "sample created",
-		"sampleID": sampleID,
+		"message":   "sample created",
+		"sample_id": sampleID,
 	})
 }

internal/api/list_tags.go

@@ -0,0 +1,25 @@
+package api
+
+import (
+	"net/http"
+
+	"github.com/gin-gonic/gin"
+)
+
+func (h *handler) ListTags(c *gin.Context) {}
+
+func (h *handler) ListTagsAndCategories(c *gin.Context) {
+	result, err := h.backend.ListTagsAndCategories(c.Request.Context())
+	if err != nil {
+		c.JSON(http.StatusInternalServerError, M{
+			"message": "internal server error",
+		})
+		return
+	}
+
+	c.JSON(http.StatusOK, M{
+		"message":     "success",
+		"items":       result,
+		"total_items": len(result),
+	})
+}

internal/api/tags.go

@@ -0,0 +1,51 @@
+package backend
+
+import (
+	"context"
+)
+
+type ListTagsAndCategoriesOutputTag struct {
+	ID   int    `json:"id"`
+	Name string `json:"name"`
+}
+
+type ListTagsAndCategoriesOutput struct {
+	Category string                           `json:"category"`
+	Tags     []ListTagsAndCategoriesOutputTag `json:"tags"`
+}
+
+func (b *Backend) ListTagsAndCategories(ctx context.Context) ([]ListTagsAndCategoriesOutput, error) {
+	result, err := b.repo.ListTagsAndCategories(ctx)
+	if err != nil {
+		return nil, err
+	}
+
+	var output []ListTagsAndCategoriesOutput
+
+	for _, item := range result {
+		var tag ListTagsAndCategoriesOutputTag
+
+		tag.ID = item.TagID
+		tag.Name = item.TagName
+
+		var category ListTagsAndCategoriesOutput
+
+		category.Category = item.CategoryName
+		category.Tags = append(category.Tags, tag)
+
+		output = append(output, category)
+	}
+
+	// TODO: OPTIMIZE THIS BULLSHIT
+	for i := 0; i < len(output); i++ {
+		for j := i + 1; j < len(output); j++ {
+			if output[i].Category == output[j].Category {
+				output[i].Tags = append(output[i].Tags, output[j].Tags...)
+				output = append(output[:j], output[j+1:]...)
+				j--
+			}
+		}
+	}
+
+	return output, nil
+}

internal/backend/tags.go

@@ -30,7 +30,7 @@ func (r *Repository) ListSamples(ctx context.Context) ([]ListSamplesResult, erro
 	GROUP BY
 		samples.id,
 		users.username
-	ORDER BY sold DESC;`
+	ORDER BY samples.created_at DESC;`
 
 	rows, err := r.db.Query(ctx, query)
 	if err != nil {

internal/repository/list_samples.go

@@ -42,3 +42,43 @@ func (r *Repository) ListTags(ctx context.Context) ([]model.Tag, error) {
 
 	return tags, nil
 }
+
+type ListTagsAndCategoriesResult struct {
+	TagID        int    `json:"tag_id"`
+	TagName      string `json:"tag_name"`
+	CategoryID   int    `json:"category_id"`
+	CategoryName string `json:"category_name"`
+}
+
+func (r *Repository) ListTagsAndCategories(ctx context.Context) ([]ListTagsAndCategoriesResult, error) {
+	var result []ListTagsAndCategoriesResult
+
+	query := `
+	SELECT
+		tags.id,
+		tags.name,
+		categories.id,
+		categories.name
+	FROM
+		tags
+	LEFT JOIN categories ON tags.category_id = categories.id;
+	`
+
+	rows, err := r.db.Query(ctx, query)
+	if err != nil {
+		return nil, err
+	}
+
+	for rows.Next() {
+		var row ListTagsAndCategoriesResult
+
+		err := rows.Scan(&row.TagID, &row.TagName, &row.CategoryID, &row.CategoryName)
+		if err != nil {
+			return nil, err
+		}
+
+		result = append(result, row)
+	}
+
+	return result, nil
+}

internal/repository/tags.go

@@ -49,13 +49,14 @@
 -- GROUP BY
 --     samples.id,
 --     users.username;
--- SELECT
---     tags.id AS tag_id,
---     tags.name AS tag_name,
---     categories.name AS category_name
--- FROM
---     tags
---     LEFT JOIN categories ON tags.category_id = categories.id;
+SELECT
+    tags.id AS tag_id,
+    tags.name AS tag_name,
+    categories.name AS category_name
+FROM
+    tags
+    LEFT JOIN categories ON tags.category_id = categories.id;
+
 -- SELECT
 --     samples.*,
 --     users.username AS artist_name,
@@ -82,21 +83,21 @@
 --     LEFT JOIN order_products ON order_products.sample_id = samples.id
 -- WHERE
 --     samples.user_id = 1
-SELECT
-    samples.*,
-    users.username AS artist_name,
-    ARRAY_AGG(tags.name) AS tags,
-    COUNT(order_products.sample_id) AS sold
-FROM
-    samples
-    LEFT JOIN users ON samples.user_id = users.id
-    LEFT JOIN sample_tags ON samples.id = sample_tags.sample_id
-    LEFT JOIN tags ON sample_tags.tag_id = tags.id
-    LEFT JOIN order_products ON order_products.sample_id = samples.id
-WHERE
-    samples.user_id = 2
-GROUP BY
-    samples.id,
-    users.username
-ORDER BY
-    created_at DESC
+-- SELECT
+--     samples.*,
+--     users.username AS artist_name,
+--     ARRAY_AGG(tags.name) AS tags,
+--     COUNT(order_products.sample_id) AS sold
+-- FROM
+--     samples
+--     LEFT JOIN users ON samples.user_id = users.id
+--     LEFT JOIN sample_tags ON samples.id = sample_tags.sample_id
+--     LEFT JOIN tags ON sample_tags.tag_id = tags.id
+--     LEFT JOIN order_products ON order_products.sample_id = samples.id
+-- WHERE
+--     samples.user_id = 2
+-- GROUP BY
+--     samples.id,
+--     users.username
+-- ORDER BY
+--     created_at DESC