feat(tags): creating and getting user tags

backend/.gen/haystack/haystack/model/image_tags.go

@@ -13,6 +13,6 @@ import (
 
 type ImageTags struct {
 	ID      uuid.UUID `sql:"primary_key"`
-	Tag     string
+	TagID   uuid.UUID
 	ImageID uuid.UUID
 }

backend/.gen/haystack/haystack/model/user_tags.go

@@ -0,0 +1,18 @@
+//
+// Code generated by go-jet DO NOT EDIT.
+//
+// WARNING: Changes to this file may cause incorrect behavior
+// and will be lost if the code is regenerated
+//
+
+package model
+
+import (
+	"github.com/google/uuid"
+)
+
+type UserTags struct {
+	ID     uuid.UUID `sql:"primary_key"`
+	Tag    string
+	UserID uuid.UUID
+}

backend/.gen/haystack/haystack/table/image_tags.go

@@ -18,7 +18,7 @@ type imageTagsTable struct {
 
 	// Columns
 	ID      postgres.ColumnString
-	Tag     postgres.ColumnString
+	TagID   postgres.ColumnString
 	ImageID postgres.ColumnString
 
 	AllColumns     postgres.ColumnList
@@ -61,10 +61,10 @@ func newImageTagsTable(schemaName, tableName, alias string) *ImageTagsTable {
 func newImageTagsTableImpl(schemaName, tableName, alias string) imageTagsTable {
 	var (
 		IDColumn       = postgres.StringColumn("id")
-		TagColumn      = postgres.StringColumn("tag")
+		TagIDColumn    = postgres.StringColumn("tag_id")
 		ImageIDColumn  = postgres.StringColumn("image_id")
-		allColumns     = postgres.ColumnList{IDColumn, TagColumn, ImageIDColumn}
-		mutableColumns = postgres.ColumnList{TagColumn, ImageIDColumn}
+		allColumns     = postgres.ColumnList{IDColumn, TagIDColumn, ImageIDColumn}
+		mutableColumns = postgres.ColumnList{TagIDColumn, ImageIDColumn}
 	)
 
 	return imageTagsTable{
@@ -72,7 +72,7 @@ func newImageTagsTableImpl(schemaName, tableName, alias string) imageTagsTable {
 
 		//Columns
 		ID:      IDColumn,
-		Tag:     TagColumn,
+		TagID:   TagIDColumn,
 		ImageID: ImageIDColumn,
 
 		AllColumns:     allColumns,

backend/.gen/haystack/haystack/table/table_use_schema.go

@@ -16,5 +16,6 @@ func UseSchema(schema string) {
 	ImageText = ImageText.FromSchema(schema)
 	UserImages = UserImages.FromSchema(schema)
 	UserImagesToProcess = UserImagesToProcess.FromSchema(schema)
+	UserTags = UserTags.FromSchema(schema)
 	Users = Users.FromSchema(schema)
 }

backend/.gen/haystack/haystack/table/user_tags.go

@@ -0,0 +1,81 @@
+//
+// Code generated by go-jet DO NOT EDIT.
+//
+// WARNING: Changes to this file may cause incorrect behavior
+// and will be lost if the code is regenerated
+//
+
+package table
+
+import (
+	"github.com/go-jet/jet/v2/postgres"
+)
+
+var UserTags = newUserTagsTable("haystack", "user_tags", "")
+
+type userTagsTable struct {
+	postgres.Table
+
+	// Columns
+	ID     postgres.ColumnString
+	Tag    postgres.ColumnString
+	UserID postgres.ColumnString
+
+	AllColumns     postgres.ColumnList
+	MutableColumns postgres.ColumnList
+}
+
+type UserTagsTable struct {
+	userTagsTable
+
+	EXCLUDED userTagsTable
+}
+
+// AS creates new UserTagsTable with assigned alias
+func (a UserTagsTable) AS(alias string) *UserTagsTable {
+	return newUserTagsTable(a.SchemaName(), a.TableName(), alias)
+}
+
+// Schema creates new UserTagsTable with assigned schema name
+func (a UserTagsTable) FromSchema(schemaName string) *UserTagsTable {
+	return newUserTagsTable(schemaName, a.TableName(), a.Alias())
+}
+
+// WithPrefix creates new UserTagsTable with assigned table prefix
+func (a UserTagsTable) WithPrefix(prefix string) *UserTagsTable {
+	return newUserTagsTable(a.SchemaName(), prefix+a.TableName(), a.TableName())
+}
+
+// WithSuffix creates new UserTagsTable with assigned table suffix
+func (a UserTagsTable) WithSuffix(suffix string) *UserTagsTable {
+	return newUserTagsTable(a.SchemaName(), a.TableName()+suffix, a.TableName())
+}
+
+func newUserTagsTable(schemaName, tableName, alias string) *UserTagsTable {
+	return &UserTagsTable{
+		userTagsTable: newUserTagsTableImpl(schemaName, tableName, alias),
+		EXCLUDED:      newUserTagsTableImpl("", "excluded", ""),
+	}
+}
+
+func newUserTagsTableImpl(schemaName, tableName, alias string) userTagsTable {
+	var (
+		IDColumn       = postgres.StringColumn("id")
+		TagColumn      = postgres.StringColumn("tag")
+		UserIDColumn   = postgres.StringColumn("user_id")
+		allColumns     = postgres.ColumnList{IDColumn, TagColumn, UserIDColumn}
+		mutableColumns = postgres.ColumnList{TagColumn, UserIDColumn}
+	)
+
+	return userTagsTable{
+		Table: postgres.NewTable(schemaName, tableName, alias, allColumns...),
+
+		//Columns
+		ID:     IDColumn,
+		Tag:    TagColumn,
+		UserID: UserIDColumn,
+
+		AllColumns:     allColumns,
+		MutableColumns: mutableColumns,
+	}
+}

backend/models/tags.go

@@ -0,0 +1,78 @@
+package models
+
+import (
+	"screenmark/screenmark/.gen/haystack/haystack/model"
+	. "screenmark/screenmark/.gen/haystack/haystack/table"
+
+	. "github.com/go-jet/jet/v2/postgres"
+	"github.com/google/uuid"
+)
+
+// Raw dogging SQL is kinda based though?
+//
+// |            nO, usE OrM!!
+//
+// |        RAW      -     RAW
+// |        SQL     | \    SQL
+// |        GOOD   |   \   GOOD
+// |              -     -
+// |            --       --
+// |           --         --
+// |       ----      IQ     ----
+func getNonExistantTags(userId uuid.UUID, tags []string) ([]string, error) {
+	stmt, err := db.Prepare(`WITH given_tags 
+        AS (SELECT given_tags.tag FROM (VALUES ('a'), ('b'), ('c')) AS given_tags (tag))
+		SELECT given_tags.tag
+		FROM given_tags
+		LEFT OUTER JOIN haystack.user_tags ON haystack.user_tags.tag = a.tag
+		where user_tags.tag is null;`)
+
+	if err != nil {
+		return []string{}, err
+	}
+
+	defer stmt.Close()
+
+	rows, err := stmt.Query()
+	if err != nil {
+		return []string{}, err
+	}
+
+	nonExistantTags := make([]string, 0)
+
+	for rows.Next() {
+		var tag string
+		rows.Scan(&tag)
+
+		nonExistantTags = append(nonExistantTags, tag)
+	}
+
+	return nonExistantTags, nil
+}
+
+func CreateTags(userId uuid.UUID, tags []string) error {
+	tagsToInsert, err := getNonExistantTags(userId, tags)
+	if err != nil {
+		return err
+	}
+
+	stmt := UserTags.INSERT(UserTags.UserID, UserTags.Tag)
+
+	for _, tag := range tagsToInsert {
+		stmt = stmt.VALUES(UUID(userId), tag)
+	}
+
+	_, err = stmt.Exec(db)
+
+	return err
+}
+
+func GetTags(userId uuid.UUID) ([]model.UserTags, error) {
+	stmt := UserTags.SELECT(UserTags.AllColumns).WHERE(UserTags.UserID.EQ(UUID(userId)))
+
+	userTags := []model.UserTags{}
+
+	err := stmt.Query(db, &userTags)
+
+	return userTags, err
+}

backend/schema.sql

@@ -31,7 +31,7 @@ CREATE TABLE haystack.user_images (
 
 CREATE TABLE haystack.user_tags (
 	id uuid PRIMARY KEY DEFAULT gen_random_uuid(),
-    tag VARCHAR(32) NOT NULL,
+    tag VARCHAR(32) UNIQUE NOT NULL,
 	user_id uuid NOT NULL REFERENCES haystack.users (id)
 );