go.mod

@@ -19,6 +19,7 @@ require (
 	github.com/jackc/puddle/v2 v2.2.1 // indirect
 	github.com/jinzhu/inflection v1.0.0 // indirect
 	github.com/jinzhu/now v1.1.5 // indirect
+	github.com/matoous/go-nanoid/v2 v2.1.0 // indirect
 	golang.org/x/crypto v0.21.0 // indirect
 	golang.org/x/sync v0.7.0 // indirect
 	golang.org/x/sys v0.18.0 // indirect

go.sum

@@ -23,6 +23,8 @@ github.com/kr/text v0.2.0 h1:5Nx0Ya0ZqY2ygV366QzturHI13Jq95ApcVaJBhpS+AY=
 github.com/kr/text v0.2.0/go.mod h1:eLer722TekiGuMkidMxC/pM04lWEeraHUUmBw8l2grE=
 github.com/lib/pq v1.10.7 h1:p7ZhMD+KsSRozJr34udlUrhboJwWAgCg34+/ZZNvZZw=
 github.com/lib/pq v1.10.7/go.mod h1:AlVN5x4E4T544tWzH6hKfbfQvm3HdbOxrmggDNAPY9o=
+github.com/matoous/go-nanoid/v2 v2.1.0 h1:P64+dmq21hhWdtvZfEAofnvJULaRR1Yib0+PnU669bE=
+github.com/matoous/go-nanoid/v2 v2.1.0/go.mod h1:KlbGNQ+FhrUNIHUxZdL63t7tl4LaPkZNpUULS8H4uVM=
 github.com/mattn/go-sqlite3 v1.14.19 h1:fhGleo2h1p8tVChob4I9HpmVFIAkKGpiukdrgQbWfGI=
 github.com/mattn/go-sqlite3 v1.14.19/go.mod h1:2eHXhiwb8IkHr+BDWZGa96P6+rkvnG63S2DGjv9HUNg=
 github.com/neo4j/neo4j-go-driver/v5 v5.17.0 h1:Bdqg1Y8Hd3uLYToXtBjysDYXTdMiP7zeUNUEwfbJkSo=

internal/postgres/tag.go

@@ -0,0 +1,38 @@
+package postgres
+
+import (
+	"context"
+	"git.dragse.it/anthrove/otter-space-sdk/pkg/models"
+	"git.dragse.it/anthrove/otter-space-sdk/pkg/models/pgModels"
+	log "github.com/sirupsen/logrus"
+	"gorm.io/gorm"
+)
+
+func CreateTagNodeWitRelation(ctx context.Context, db *gorm.DB, PostID models.AnthrovePostID, tag *pgModels.Tag) error {
+
+	resultTag := db.WithContext(ctx).Where(tag).FirstOrCreate(tag)
+
+	if resultTag.Error != nil {
+		return resultTag.Error
+	}
+
+	pgPost := pgModels.Post{
+		BaseModel: pgModels.BaseModel{
+			ID: string(PostID),
+		},
+	}
+
+	err := db.WithContext(ctx).Model(pgPost).Association("Tags").Append(tag)
+
+	if err != nil {
+		return err
+	}
+
+	log.WithFields(log.Fields{
+		"anthrove_post_id": PostID,
+		"tag_name":         tag.Name,
+		"tag_type":         tag.Type,
+	}).Trace("database: created tag node")
+
+	return nil
+}

internal/utils/modelConvert.go

@@ -1,6 +1,7 @@
 package utils
 
 import (
+	"git.dragse.it/anthrove/otter-space-sdk/pkg/models"
 	"git.dragse.it/anthrove/otter-space-sdk/pkg/models/graphModels"
 	"git.dragse.it/anthrove/otter-space-sdk/pkg/models/pgModels"
 )
@@ -25,3 +26,22 @@ func PostgresConvertToAnthroveSource(pgSource *pgModels.Source) *graphModels.Ant
 
 	return graphSource
 }
+
+// GraphConvertTag converts a graphModels.AnthroveTag to a pgModels.Tag
+func GraphConvertTag(graphTag *graphModels.AnthroveTag) *pgModels.Tag {
+	pgTag := &pgModels.Tag{
+		Name: graphTag.Name,
+		Type: models.TagType(graphTag.Type),
+	}
+	return pgTag
+}
+
+// PostgresConvertToAnthroveTag converts a pgModels.Tag to a graphModels.AnthroveTag
+func PostgresConvertToAnthroveTag(pgTag *pgModels.Tag) *graphModels.AnthroveTag {
+	graphTag := &graphModels.AnthroveTag{
+		Name: pgTag.Name,
+		Type: string(pgTag.Type),
+	}
+
+	return graphTag
+}

pkg/database/migrations/001_inital_database.sql

@@ -1,9 +1,3 @@
--- TODO: Add the following fields where its defined in the model
--- created_at
--- updated_at
--- deleted_at
-
-
 -- +migrate Up
 CREATE TYPE Rating AS ENUM (
     'safe',
@@ -23,29 +17,39 @@ CREATE TYPE TagType AS ENUM (
 
 CREATE TABLE "Post"
 (
-    id         VARCHAR(25) UNIQUE PRIMARY KEY,
+    id         CHAR(25) UNIQUE PRIMARY KEY,
     rating     Rating,
-    created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP
+    created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
+    updated_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
+    deleted_at TIMESTAMP NULL NULL
 );
 
 CREATE TABLE "Source"
 (
-    id   VARCHAR(25) UNIQUE PRIMARY KEY,
+    id           CHAR(25) UNIQUE PRIMARY KEY,
-    display_name TEXT,
+    display_name TEXT      NULL,
-    icon TEXT,
+    icon         TEXT      NULL,
-    domain       TEXT NOT NULL UNIQUE
+    domain       TEXT      NOT NULL UNIQUE,
+    created_at   TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
+    updated_at   TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
+    deleted_at   TIMESTAMP NULL
 );
 
 CREATE TABLE "Tag"
 (
-    name TEXT PRIMARY KEY,
+    name       TEXT PRIMARY KEY,
-    type TagType
+    tag_type   TagType,
+    created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
+    updated_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
+    deleted_at TIMESTAMP NULL
 );
 
 CREATE TABLE "User"
 (
     id         TEXT UNIQUE PRIMARY KEY,
-    created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP
+    created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
+    updated_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
+    deleted_at TIMESTAMP NULL
 );
 
 CREATE TABLE "PostReference"
@@ -59,20 +63,22 @@ CREATE TABLE "PostReference"
 
 CREATE TABLE "TagAlias"
 (
-    name   TEXT PRIMARY KEY,
+    name       TEXT PRIMARY KEY,
-    tag_id TEXT REFERENCES "Tag" (name)
+    tag_id     TEXT REFERENCES "Tag" (name),
+    created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP
 );
 
 CREATE TABLE "TagGroup"
 (
-    name   TEXT PRIMARY KEY,
+    name       TEXT PRIMARY KEY,
-    tag_id TEXT REFERENCES "Tag" (name)
+    tag_id     TEXT REFERENCES "Tag" (name),
+    created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP
 );
 
 CREATE TABLE "UserFavorites"
 (
-    user_id    TEXT REFERENCES "User" (id),
+    user_id TEXT UNIQUE REFERENCES "User" (id),
-    post_id    TEXT REFERENCES "Post" (id),
+    post_id TEXT UNIQUE REFERENCES "Post" (id),
     created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
     PRIMARY KEY (user_id, post_id)
 );
@@ -83,18 +89,26 @@ CREATE TABLE "UserSource"
     source_id        TEXT REFERENCES "Source" (id),
     account_username TEXT,
     account_id       TEXT,
-    PRIMARY KEY (user_id, source_id)
+    PRIMARY KEY (user_id, source_id),
+    UNIQUE (account_username, account_id)
+);
+
+CREATE TABLE "post_tags"
+(
+    post_id  TEXT REFERENCES "Post" (id),
+    tag_name TEXT REFERENCES "Tag" (name),
+    PRIMARY KEY (post_id, tag_name)
 );
 
 -- +migrate Down
 DROP TYPE Rating;
 DROP TYPE TagType;
-DROP TYPE Post;
+DROP TABLE Post;
-DROP TYPE Source;
+DROP TABLE Source;
-DROP TYPE Tag;
+DROP TABLE Tag;
-DROP TYPE User;
+DROP TABLE User;
-DROP TYPE PostReference;
+DROP TABLE PostReference;
-DROP TYPE TagAlias;
+DROP TABLE TagAlias;
-DROP TYPE TagGroup;
+DROP TABLE TagGroup;
-DROP TYPE UserFavorites;
+DROP TABLE UserFavorites;
-DROP TYPE UserSource;
+DROP TABLE UserSource;

pkg/database/postgres.go

@@ -68,8 +68,7 @@ func (p *postgresqlConnection) AddPost(ctx context.Context, anthrovePost *graphM
 }
 
 func (p *postgresqlConnection) AddTagWithRelationToPost(ctx context.Context, anthrovePostID models.AnthrovePostID, anthroveTag *graphModels.AnthroveTag) error {
-	//TODO implement me
+	return postgres.CreateTagNodeWitRelation(ctx, p.db, anthrovePostID, utils.GraphConvertTag(anthroveTag))
-	panic("implement me")
 }
 
 func (p *postgresqlConnection) LinkPostWithSource(ctx context.Context, anthrovePostID models.AnthrovePostID, anthroveSourceDomain string, anthrovePostRelationship *graphModels.AnthrovePostRelationship) error {

pkg/models/pgModels/orm.go

@@ -1,6 +1,7 @@
 package pgModels
 
 import (
+	gonanoid "github.com/matoous/go-nanoid/v2"
 	"gorm.io/gorm"
 	"time"
 )
@@ -11,3 +12,14 @@ type BaseModel struct {
 	UpdatedAt time.Time
 	DeletedAt gorm.DeletedAt `gorm:"index"`
 }
+
+func (base *BaseModel) BeforeCreate(db *gorm.DB) error {
+	id, err := gonanoid.New()
+	if err != nil {
+		return err
+	}
+
+	base.ID = id
+
+	return nil
+}

pkg/models/pgModels/post.go

@@ -12,3 +12,7 @@ type Post struct {
 	Favorites  []UserFavorite  `gorm:"foreignKey:PostID"`
 	References []PostReference `gorm:"foreignKey:PostID"`
 }
+
+func (Post) TableName() string {
+	return "Post"
+}

pkg/models/pgModels/tag.go

@@ -4,11 +4,15 @@ import "git.dragse.it/anthrove/otter-space-sdk/pkg/models"
 
 // Tag models
 type Tag struct {
-	Name    string `gorm:"primaryKey"`
+	Name    string         `gorm:"primaryKey"`
-	Type    models.TagType
+	Type    models.TagType `gorm:"column:tag_type"`
-	Aliases []TagAlias `gorm:"foreignKey:TagID"`
+	Aliases []TagAlias     `gorm:"foreignKey:TagID"`
-	Groups  []TagGroup `gorm:"foreignKey:TagID"`
+	Groups  []TagGroup     `gorm:"foreignKey:TagID"`
-	Posts   []Post     `gorm:"many2many:post_tags;"`
+	Posts   []Post         `gorm:"many2many:post_tags;"`
+}
+
+func (Tag) TableName() string {
+	return "Tag"
 }
 
 // TagAlias model
@@ -17,8 +21,16 @@ type TagAlias struct {
 	TagID string
 }
 
+func (TagAlias) TableName() string {
+	return "TagAlias"
+}
+
 // TagGroup model
 type TagGroup struct {
 	Name  string `gorm:"primaryKey"`
 	TagID string
 }
+
+func (TagGroup) TableName() string {
+	return "TagGroup"
+}