added folder for models and corresponding source files

common/database.go

@@ -0,0 +1,78 @@
+package main
+
+    import (
+        "database/sql"
+        "fmt"
+        _ "github.com/lib/pq"
+        //"time"
+    )
+
+    const (
+        //DB_USER     = "postgres"
+        //DB_PASSWORD = "postgres"
+        //DB_NAME     = "test"
+        DB_USER     = "odiseas"
+        DB_PASSWORD = "toumpacity"
+        DB_NAME     = "mytestdb"
+    )
+
+    func main() {
+        dbinfo := fmt.Sprintf("user=%s password=%s dbname=%s sslmode=disable",
+            DB_USER, DB_PASSWORD, DB_NAME)
+        db, err := sql.Open("postgres", dbinfo)
+        checkErr(err)
+        defer db.Close()
+
+        //fmt.Println("# Inserting values")
+
+        //var lastInsertId int
+        //err = db.QueryRow("INSERT INTO userinfo(username,departname,created) VALUES($1,$2,$3) returning uid;", "astaxie", "研发部门", "2012-12-09").Scan(&lastInsertId)
+        //checkErr(err)
+        //fmt.Println("last inserted id =", lastInsertId)
+
+        //fmt.Println("# Updating")
+        //stmt, err := db.Prepare("update userinfo set username=$1 where uid=$2")
+        //checkErr(err)
+
+        //res, err := stmt.Exec("astaxieupdate", lastInsertId)
+        //checkErr(err)
+
+        //affect, err := res.RowsAffected()
+        //checkErr(err)
+
+        //fmt.Println(affect, "rows changed")
+
+        //fmt.Println("# Querying")
+        //rows, err := db.Query("SELECT * FROM userinfo")
+        //checkErr(err)
+
+        //for rows.Next() {
+            //var uid int
+            //var username string
+            //var department string
+            //var created time.Time
+            //err = rows.Scan(&uid, &username, &department, &created)
+            //checkErr(err)
+            //fmt.Println("uid | username | department | created ")
+            //fmt.Printf("%3v | %8v | %6v | %6v\n", uid, username, department, created)
+        //}
+
+        //fmt.Println("# Deleting")
+        //stmt, err = db.Prepare("delete from userinfo where uid=$1")
+        //checkErr(err)
+
+        //res, err = stmt.Exec(lastInsertId)
+        //checkErr(err)
+
+        //affect, err = res.RowsAffected()
+        //checkErr(err)
+
+        //fmt.Println(affect, "rows changed")
+    }
+
+    func checkErr(err error) {
+        if err != nil {
+            fmt.Println("Something went wrong!!")
+            panic(err)
+        }
+    }

file/model.go

@@ -0,0 +1,15 @@
+package file
+
+import (
+	"github.com/jinzhu/gorm"
+)
+
+type File struct {
+	gorm.Model
+	Name        string
+	Path        string
+	Type        string
+	Size        uint
+	Dimmensions string
+	FileUser    User
+}

project/model.go

@@ -0,0 +1,17 @@
+package project
+
+import (
+	"git.rwth-aachen.de/stemavros/villasweb-backend-go/visualization"
+	"github.com/jinzhu/gorm"
+	// XXX: We don't need also User and Simulation???
+)
+
+type Project struct {
+	gorm.Model
+	Name              string
+	UserProject       User            // XXX: association?
+	Visualizations    []Visualization // TODO: association & foreign key
+	SimulationProject Simulation      // XXX: association?n
+}
+
+// TODO: execute before project.delete()

simulation/model.go

@@ -0,0 +1,17 @@
+package simulation
+
+import (
+	"git.rwth-aachen.de/stemavros/villasweb-backend-go/visualization"
+	"github.com/jinzhu/gorm"
+	// XXX: What about other models??
+)
+
+type Simulation struct {
+	gorm.Model
+	Name            string
+	Running         bool              `gorm:"default:false"`
+	Models          []SimulationModel // TODO: association & foreign key
+	Projects        []Project         // TODO: association & foreign key
+	User            []Users           // TODO: association & foreign key
+	StartParameters []string          // TODO: Mixed Type
+}

simulationModel/model.go

@@ -0,0 +1,18 @@
+package simulationModel
+
+import (
+	"github.com/jinzhu/gorm"
+	// XXX: other models
+)
+
+type SimulationModel struct {
+	gorm.Model
+	Name            string
+	OutputLength    int        `gorm:"default:1"`
+	InputLength     int        `gorm:"default:1"`
+	OutputMapping   []string   // TODO: Mixed Type
+	InputMapping    []string   // TODO: Mixed Type
+	StartParameters []string   // TODO: Mixed Type
+	ModelSimulation Simulation // TODO: association & foreign key
+	ModelSimulator  Simulator  // TODO: association & foreign key
+}

simulator/model.go

@@ -0,0 +1,16 @@
+package simulator
+
+import (
+	"github.com/jinzhu/gorm"
+)
+
+type Simulator struct {
+	gorm.Model
+	UUID          string
+	Host          string `gorm:"default:"`
+	Model         string `gorm:"default:"`
+	Uptime        int    `gorm:"default:0"`
+	State         string `gorm:"default:"`
+	Properties    []string
+	RawProperties []string
+}

user/model.go

@@ -0,0 +1,26 @@
+package user
+
+import (
+	"git.rwth-aachen.de/stemavros/villasweb-backend-go/file"
+	"git.rwth-aachen.de/stemavros/villasweb-backend-go/project"
+	"git.rwth-aachen.de/stemavros/villasweb-backend-go/simulation"
+	"github.com/jinzhu/gorm"
+	// TODO: we need also bcrypt
+)
+
+type User struct {
+	gorm.Model
+	Username    string `gorm:"unique"`
+	Password    string
+	Mail        string      `gorm:"default:"`
+	Role        string      `gorm:"default:user"`
+	Projects    []Project   // TODO: association & foreign key
+	Simulations []Simulaion // TODO: association & foreign key
+	Files       []File      // TODO: association & foreign key
+}
+
+// TODO: callback for verifying password
+
+// TODO: execute before each user.save()
+
+// TODO: execute before each user.delete()

visualization/model.go

@@ -0,0 +1,14 @@
+package visualization
+
+import (
+	"github.com/jinzhu/gorm"
+)
+
+type Visualization struct {
+	gorm.Model
+	Name                 string
+	VisualizationProject Project
+	Widgets              string
+	Grid                 int `gorm:"default:15"`
+	VisualizationUser    User
+}