ing

cmd/server/main.go

@@ -3,9 +3,10 @@ package main
 import (
 	app "git.loafle.net/totopia/server/pkg/loafer/app"
 	"git.loafle.net/totopia/server/pkg/server"
+	"log"
 )
 
 func main() {
 
-	app.Run(server.ServerType)
+	log.Printf("%v", app.Run(server.ServerType))
 }

docker/docker-compose.yml

@@ -0,0 +1,13 @@
+version: "3"
+services:
+  database:
+    image: "postgres:12-alpine"
+    container_name: "database"
+    environment:
+      - POSTGRES_USER=totopia
+      - POSTGRES_PASSWORD=totopia
+      - POSTGRES_DB=totopia
+    ports:
+      - "54320:5432"
+    volumes:
+      - ./postgres/data:/var/lib/postgresql:z

go.mod

@@ -5,6 +5,8 @@ go 1.13
 require (
 	git.loafle.net/loafer/annotation-go v0.0.0-20191113141909-a254c5695d3b
 	git.loafle.net/loafer/di-go v0.0.0-20191113141126-d08fa9dbe72d
+	github.com/jackc/pgx v3.6.0+incompatible // indirect
+	github.com/jackc/pgx/v4 v4.1.2
 	github.com/savsgio/gotils v0.0.0-20190925070755-524bc4f47500
 	github.com/valyala/bytebufferpool v1.0.0
 	github.com/valyala/fasthttp v1.6.0

go.sum

@@ -7,18 +7,131 @@ git.loafle.net/loafer/util-go v0.0.0-20191112142134-9a567d18b779 h1:TcBAz07pghDj
 git.loafle.net/loafer/util-go v0.0.0-20191112142134-9a567d18b779/go.mod h1:HGVw9FNJIc/UFDIzxmoIj5K2+D9Eadal5jjHOq0NFOU=
 git.loafle.net/loafer/util-go v0.0.0-20191113132317-6eeae49d258d h1:ESDbDHHzH2Ysq+thQrO/OQtyDkVhzNzshjn0SJIqa0g=
 git.loafle.net/loafer/util-go v0.0.0-20191113132317-6eeae49d258d/go.mod h1:HGVw9FNJIc/UFDIzxmoIj5K2+D9Eadal5jjHOq0NFOU=
+github.com/cockroachdb/apd v1.1.0/go.mod h1:8Sl8LxpKi29FqWXR16WEFZRNSz3SoPzUzeMeY4+DwBQ=
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 golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
+golang.org/x/text v0.3.2 h1:tW2bmiBqwgJj/UpqtC8EpXEZVYOwU0yG4iWbprSVAcs=
+golang.org/x/text v0.3.2/go.mod h1:bEr9sfX3Q8Zfm5fL9x+3itogRgK3+ptLWKqgva+5dAk=
+golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
+golang.org/x/tools v0.0.0-20190425163242-31fd60d6bfdc/go.mod h1:RgjU9mgBXZiqYHBnxXauZ1Gv1EHHAz9KjViQ78xBX0Q=
+golang.org/x/tools v0.0.0-20190823170909-c4a336ef6a2f/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo=
+golang.org/x/xerrors v0.0.0-20190410155217-1f06c39b4373/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
+golang.org/x/xerrors v0.0.0-20190513163551-3ee3066db522/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
+golang.org/x/xerrors v0.0.0-20190717185122-a985d3407aa7 h1:9zdDQZ7Thm29KFXgAX/+yaf3eVbP7djjWp/dXAppNCc=
+golang.org/x/xerrors v0.0.0-20190717185122-a985d3407aa7/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
+gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
+gopkg.in/check.v1 v1.0.0-20180628173108-788fd7840127/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
+gopkg.in/inconshreveable/log15.v2 v2.0.0-20180818164646-67afb5ed74ec/go.mod h1:aPpfJ7XW+gOuirDoZ8gHhLh3kZ1B08FtV2bbmy7Jv3s=
+gopkg.in/yaml.v2 v2.2.2/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=

pkg/loafer/app/app.go

@@ -1,6 +1,7 @@
 package app
 
 import (
+	"context"
 	"fmt"
 	"log"
 	"reflect"
@@ -10,6 +11,8 @@ import (
 	webAnnotation "git.loafle.net/totopia/server/pkg/loafer/web/annotation"
 	"git.loafle.net/totopia/server/pkg/loafer/web/router"
 	"github.com/valyala/fasthttp"
+
+	"github.com/jackc/pgx/v4"
 )
 
 type MethodMapping struct {
@@ -18,6 +21,16 @@ type MethodMapping struct {
 }
 
 func Run(t reflect.Type) error {
+	conn, err := pgx.Connect(context.Background(), fmt.Sprintf("host=%s port=%d user=%s "+
+		"password=%s dbname=%s sslmode=disable",
+		"localhost", 54320, "totopia", "totopia", "totopia"))
+	if err != nil {
+		return fmt.Errorf("[%v]", err)
+	}
+	defer conn.Close(context.Background())
+
+	di.RegisterResource("dbConn", conn)
+
 	taServer := di.GetTypeAnnotation(t, appAnnotation.ServerAnnotationType)
 	if nil == taServer {
 		return fmt.Errorf("[%s] is not Server, use @app:Server", t.Elem().Name())

pkg/loafer/web/annotation/dao.go

@@ -0,0 +1,21 @@
+package annotation
+
+import (
+	"reflect"
+
+	"git.loafle.net/loafer/annotation-go"
+)
+
+var DaoAnnotationType = reflect.TypeOf((*DaoAnnotation)(nil))
+
+func init() {
+	if err := annotation.Register(DaoAnnotationType); nil != err {
+		panic(err)
+	}
+}
+
+type DaoAnnotation struct {
+	annotation.TypeAnnotation `@annotation:"@web:Dao"`
+
+	Name string `json:"name"`
+}

pkg/modules/user/user-dao.go

@@ -0,0 +1,39 @@
+package user
+
+import (
+	"context"
+	"log"
+	"reflect"
+
+	"git.loafle.net/loafer/annotation-go"
+	"git.loafle.net/loafer/di-go"
+
+	"github.com/jackc/pgx/v4"
+)
+
+var UserDaoType = reflect.TypeOf((*UserDao)(nil))
+
+func init() {
+	di.RegisterType(UserDaoType)
+}
+
+type UserDao struct {
+	annotation.TypeAnnotation `annotation:"@web:Dao(\"name\": \"/userDao\")"`
+
+	Conn *pgx.Conn `annotation:"@Resource(\"name\": \"dbConn\")"`
+}
+
+func (ud *UserDao) FindAll() {
+	log.Printf("UserDao FindAll")
+	row, err := ud.Conn.Query(context.Background(), "SELECT NOW()")
+	if nil != err {
+		log.Printf("%v", err)
+		return
+	}
+
+	if row.Next() {
+		var date string
+		row.Scan(&date)
+		log.Printf("%s", date)
+	}
+}

pkg/modules/user/user-service.go

@@ -18,8 +18,12 @@ func init() {
 
 type UserService struct {
 	annotation.TypeAnnotation `annotation:"@web:Service(\"name\": \"/userService\")"`
+
+	UserDao *UserDao `annotation:"@Inject()"`
 }
 
 func (us *UserService) FindAll() {
 	log.Printf("UserService FindAll")
+
+	us.UserDao.FindAll()
 }