Merge pull request #52 from ZhengYang/master

Import logic for code gen

g_appcode.go

@@ -20,6 +20,7 @@ import (
 	"os"
 	"os/exec"
 	"path"
+	"path/filepath"
 	"regexp"
 	"strings"
 
@@ -78,6 +79,7 @@ type Table struct {
 	Uk            []string
 	Fk            map[string]*ForeignKey
 	Columns       []*Column
+	ImportTimePkg bool
 }
 
 // Column reprsents a column for a table
@@ -191,7 +193,7 @@ func (tag *OrmTag) String() string {
 	return fmt.Sprintf("`orm:\"%s\"`", strings.Join(ormOptions, ";"))
 }
 
-func generateAppcode(driver string, connStr string, level string, tables string, currpath string) {
+func generateAppcode(driver, connStr, level, tables, currpath string) {
 	var mode byte
 	if level == "1" {
 		mode = O_MODEL
@@ -216,7 +218,7 @@ func generateAppcode(driver string, connStr string, level string, tables string,
 
 // Generate takes table, column and foreign key information from database connection
 // and generate corresponding golang source files
-func gen(dbms string, connStr string, mode byte, selectedTableNames map[string]bool, currpath string) {
+func gen(dbms, connStr string, mode byte, selectedTableNames map[string]bool, currpath string) {
 	db, err := sql.Open(dbms, connStr)
 	if err != nil {
 		ColorLog("[ERRO] Could not connect to %s: %s\n", dbms, connStr)
@@ -231,7 +233,8 @@ func gen(dbms string, connStr string, mode byte, selectedTableNames map[string]b
 	mvcPath.ControllerPath = path.Join(currpath, "controllers")
 	mvcPath.RouterPath = path.Join(currpath, "routers")
 	createPaths(mode, mvcPath)
-	writeSourceFiles(tables, mode, mvcPath, selectedTableNames)
+	pkgPath := getPackagePath(currpath)
+	writeSourceFiles(pkgPath, tables, mode, mvcPath, selectedTableNames)
 }
 
 // getTables gets a list table names in current database
@@ -398,6 +401,8 @@ func getColumns(db *sql.DB, table *Table, blackList map[string]bool) {
 					} else if columnDefault == "CURRENT_TIMESTAMP" {
 						tag.AutoNowAdd = true
 					}
+					// need to import time package
+					table.ImportTimePkg = true
 				}
 				if isSQLDecimal(dataType) {
 					tag.Digits, tag.Decimals = extractDecimal(columnType)
@@ -425,18 +430,18 @@ func createPaths(mode byte, paths *MvcPath) {
 // writeSourceFiles generates source files for model/controller/router
 // It will wipe the following directories and recreate them:./models, ./controllers, ./routers
 // Newly geneated files will be inside these folders.
-func writeSourceFiles(tables []*Table, mode byte, paths *MvcPath, selectedTables map[string]bool) {
+func writeSourceFiles(pkgPath string, tables []*Table, mode byte, paths *MvcPath, selectedTables map[string]bool) {
 	if (O_MODEL & mode) == O_MODEL {
 		ColorLog("[INFO] Creating model files...\n")
 		writeModelFiles(tables, paths.ModelPath, selectedTables)
 	}
 	if (O_CONTROLLER & mode) == O_CONTROLLER {
 		ColorLog("[INFO] Creating controller files...\n")
-		writeControllerFiles(tables, paths.ControllerPath, selectedTables)
+		writeControllerFiles(tables, paths.ControllerPath, selectedTables, pkgPath)
 	}
 	if (O_ROUTER & mode) == O_ROUTER {
 		ColorLog("[INFO] Creating router files...\n")
-		writeRouterFile(tables, paths.RouterPath, selectedTables)
+		writeRouterFile(tables, paths.RouterPath, selectedTables, pkgPath)
 	}
 }
 
@@ -480,18 +485,24 @@ func writeModelFiles(tables []*Table, mPath string, selectedTables map[string]bo
 		}
 		fileStr := strings.Replace(template, "{{modelStruct}}", tb.String(), 1)
 		fileStr = strings.Replace(fileStr, "{{modelName}}", camelCase(tb.Name), -1)
+		// if table contains time field, import time.Time package
+		timePkg := ""
+		if tb.ImportTimePkg {
+			timePkg = "\"time\"\n"
+		}
+		fileStr = strings.Replace(fileStr, "{{timePkg}}", timePkg, -1)
 		if _, err := f.WriteString(fileStr); err != nil {
 			ColorLog("[ERRO] Could not write model file to %s\n", fpath)
 			os.Exit(2)
 		}
 		f.Close()
 		ColorLog("[INFO] model => %s\n", fpath)
-		formatAndFixImports(fpath)
+		formatSourceCode(fpath)
 	}
 }
 
 // writeControllerFiles generates controller files
-func writeControllerFiles(tables []*Table, cPath string, selectedTables map[string]bool) {
+func writeControllerFiles(tables []*Table, cPath string, selectedTables map[string]bool, pkgPath string) {
 	for _, tb := range tables {
 		// if selectedTables map is not nil and this table is not selected, ignore it
 		if selectedTables != nil {
@@ -526,18 +537,19 @@ func writeControllerFiles(tables []*Table, cPath string, selectedTables map[stri
 			}
 		}
 		fileStr := strings.Replace(CTRL_TPL, "{{ctrlName}}", camelCase(tb.Name), -1)
+		fileStr = strings.Replace(fileStr, "{{pkgPath}}", pkgPath, -1)
 		if _, err := f.WriteString(fileStr); err != nil {
 			ColorLog("[ERRO] Could not write controller file to %s\n", fpath)
 			os.Exit(2)
 		}
 		f.Close()
 		ColorLog("[INFO] controller => %s\n", fpath)
-		formatAndFixImports(fpath)
+		formatSourceCode(fpath)
 	}
 }
 
 // writeRouterFile generates router file
-func writeRouterFile(tables []*Table, rPath string, selectedTables map[string]bool) {
+func writeRouterFile(tables []*Table, rPath string, selectedTables map[string]bool, pkgPath string) {
 	var nameSpaces []string
 	for _, tb := range tables {
 		// if selectedTables map is not nil and this table is not selected, ignore it
@@ -557,8 +569,7 @@ func writeRouterFile(tables []*Table, rPath string, selectedTables map[string]bo
 	// add export controller
 	fpath := path.Join(rPath, "router.go")
 	routerStr := strings.Replace(ROUTER_TPL, "{{nameSpaces}}", strings.Join(nameSpaces, ""), 1)
-	_, projectName := path.Split(path.Dir(rPath))
-	routerStr = strings.Replace(routerStr, "{{projectName}}", projectName, 1)
+	routerStr = strings.Replace(routerStr, "{{pkgPath}}", pkgPath, 1)
 	var f *os.File
 	var err error
 	if isExist(fpath) {
@@ -586,13 +597,15 @@ func writeRouterFile(tables []*Table, rPath string, selectedTables map[string]bo
 	}
 	f.Close()
 	ColorLog("[INFO] router => %s\n", fpath)
-	formatAndFixImports(fpath)
+	formatSourceCode(fpath)
 }
 
-// formatAndFixImports formats source files (add imports, too)
-func formatAndFixImports(filename string) {
-	cmd := exec.Command("goimports", "-w", filename)
-	cmd.Run()
+// formatSourceCode formats source files
+func formatSourceCode(filename string) {
+	cmd := exec.Command("gofmt", "-w", filename)
+	if err := cmd.Run(); err != nil {
+		ColorLog("[WARN] gofmt err: %s\n", err)
+	}
 }
 
 // camelCase converts a _ delimited string to camel case
@@ -662,6 +675,36 @@ func getFileName(tbName string) (filename string) {
 	return
 }
 
+func getPackagePath(curpath string) (packpath string) {
+	gopath := os.Getenv("GOPATH")
+	Debugf("gopath:%s", gopath)
+	if gopath == "" {
+		ColorLog("[ERRO] you should set GOPATH in the env")
+		os.Exit(2)
+	}
+
+	appsrcpath := ""
+	haspath := false
+	wgopath := filepath.SplitList(gopath)
+
+	for _, wg := range wgopath {
+		wg, _ = filepath.EvalSymlinks(path.Join(wg, "src"))
+
+		if filepath.HasPrefix(strings.ToLower(curpath), strings.ToLower(wg)) {
+			haspath = true
+			appsrcpath = wg
+			break
+		}
+	}
+
+	if !haspath {
+		ColorLog("[ERRO] Can't generate application code outside of GOPATH '%s'\n", gopath)
+		os.Exit(2)
+	}
+	packpath = strings.Join(strings.Split(curpath[len(appsrcpath)+1:], string(filepath.Separator)), "/")
+	return
+}
+
 const (
 	STRUCT_MODEL_TPL = `package models
 
@@ -670,6 +713,15 @@ const (
 
 	MODEL_TPL = `package models
 
+import (
+	"errors"
+	"fmt"
+	"reflect"
+	"strings"
+	{{timePkg}}
+	"github.com/astaxie/beego/orm"
+)
+
 {{modelStruct}}
 
 func init() {
@@ -799,8 +851,17 @@ func Delete{{modelName}}(id int) (err error) {
 	return
 }
 `
-	CTRL_TPL = `
-package controllers
+	CTRL_TPL = `package controllers
+
+import (
+	"{{pkgPath}}/models"
+	"encoding/json"
+	"errors"
+	"strconv"
+	"strings"
+
+	"github.com/astaxie/beego"
+)
 
 // oprations for {{ctrlName}}
 type {{ctrlName}}Controller struct {
@@ -949,8 +1010,7 @@ func (this *{{ctrlName}}Controller) Delete() {
 	this.ServeJson()
 }
 `
-	ROUTER_TPL = `
-// @APIVersion 1.0.0
+	ROUTER_TPL = `// @APIVersion 1.0.0
 // @Title beego Test API
 // @Description beego has a very cool tools to autogenerate documents for your API
 // @Contact astaxie@gmail.com
@@ -960,7 +1020,8 @@ func (this *{{ctrlName}}Controller) Delete() {
 package routers
 
 import (
-	"{{projectName}}/controllers"
+	"{{pkgPath}}/controllers"
+
 	"github.com/astaxie/beego"
 )
 
@@ -972,10 +1033,10 @@ func init() {
 }
 `
 	NAMESPACE_TPL = `
-beego.NSNamespace("/{{nameSpace}}",
+		beego.NSNamespace("/{{nameSpace}}",
 			beego.NSInclude(
 				&controllers.{{ctrlName}}Controller{},
 			),
-),
+		),
 `
 )

g_migration.go

@@ -17,7 +17,6 @@ package main
 import (
 	"fmt"
 	"os"
-	"os/exec"
 	"path"
 	"strings"
 	"time"
@@ -60,12 +59,6 @@ func generateMigration(mname, upsql, downsql, curpath string) {
 	}
 }
 
-// formatSourceCode formats the source code using gofmt
-func formatSourceCode(fpath string) {
-	cmd := exec.Command("gofmt", "-w", fpath)
-	cmd.Run()
-}
-
 const MIGRATION_TPL = `package main
 
 import (

g_model.go

@@ -15,7 +15,7 @@ func generateModel(mname, fields, crupath string) {
 		i := strings.LastIndex(p[:len(p)-1], "/")
 		packageName = p[i+1 : len(p)-1]
 	}
-	modelStruct, err := getStruct(modelName, fields)
+	modelStruct, err, hastime := getStruct(modelName, fields)
 	if err != nil {
 		ColorLog("[ERRO] Could not genrate models struct: %s\n", err)
 		os.Exit(2)
@@ -36,9 +36,14 @@ func generateModel(mname, fields, crupath string) {
 		content := strings.Replace(modelTpl, "{{packageName}}", packageName, -1)
 		content = strings.Replace(content, "{{modelName}}", modelName, -1)
 		content = strings.Replace(content, "{{modelStruct}}", modelStruct, -1)
+		if hastime {
+			content = strings.Replace(content, "{{timePkg}}", `"time"`, -1)
+		} else {
+			content = strings.Replace(content, "{{timePkg}}", "", -1)
+		}
 		f.WriteString(content)
 		// gofmt generated source code
-		formatAndFixImports(fpath)
+		formatSourceCode(fpath)
 		ColorLog("[INFO] model file generated: %s\n", fpath)
 	} else {
 		// error creating file
@@ -47,49 +52,53 @@ func generateModel(mname, fields, crupath string) {
 	}
 }
 
-func getStruct(structname, fields string) (string, error) {
+func getStruct(structname, fields string) (string, error, bool) {
 	if fields == "" {
-		return "", errors.New("fields can't empty")
+		return "", errors.New("fields can't empty"), false
 	}
+	hastime := false
 	structStr := "type " + structname + " struct{\n"
 	fds := strings.Split(fields, ",")
 	for i, v := range fds {
 		kv := strings.SplitN(v, ":", 2)
 		if len(kv) != 2 {
-			return "", errors.New("the filds format is wrong. should key:type,key:type " + v)
+			return "", errors.New("the filds format is wrong. should key:type,key:type " + v), false
 		}
-		typ, tag := getType(kv[1])
+		typ, tag, hastimeinner := getType(kv[1])
 		if typ == "" {
-			return "", errors.New("the filds format is wrong. should key:type,key:type " + v)
+			return "", errors.New("the filds format is wrong. should key:type,key:type " + v), false
 		}
 		if i == 0 && strings.ToLower(kv[0]) != "id" {
 			structStr = structStr + "Id     int64     `orm:\"auto\"`\n"
 		}
+		if hastimeinner {
+			hastime = true
+		}
 		structStr = structStr + camelString(kv[0]) + "       " + typ + "     " + tag + "\n"
 	}
 	structStr += "}\n"
-	return structStr, nil
+	return structStr, nil, hastime
 }
 
 // fields support type
 // http://beego.me/docs/mvc/model/models.md#mysql
-func getType(ktype string) (kt, tag string) {
+func getType(ktype string) (kt, tag string, hasTime bool) {
 	kv := strings.SplitN(ktype, ":", 2)
 	switch kv[0] {
 	case "string":
 		if len(kv) == 2 {
-			return "string", "`orm:\"size(" + kv[1] + ")\"`"
+			return "string", "`orm:\"size(" + kv[1] + ")\"`", false
 		} else {
-			return "string", "`orm:\"size(128)\"`"
+			return "string", "`orm:\"size(128)\"`", false
 		}
 	case "text":
-		return "string", "`orm:\"type(longtext)\"`"
+		return "string", "`orm:\"type(longtext)\"`", false
 	case "auto":
-		return "int64", "`orm:\"auto\"`"
+		return "int64", "`orm:\"auto\"`", false
 	case "pk":
-		return "int64", "`orm:\"pk\"`"
+		return "int64", "`orm:\"pk\"`", false
 	case "datetime":
-		return "time.Time", "`orm:\"type(datetime)\"`"
+		return "time.Time", "`orm:\"type(datetime)\"`", true
 	case "int", "int8", "int16", "int32", "int64":
 		fallthrough
 	case "uint", "uint8", "uint16", "uint32", "uint64":
@@ -97,11 +106,11 @@ func getType(ktype string) (kt, tag string) {
 	case "bool":
 		fallthrough
 	case "float32", "float64":
-		return kv[0], ""
+		return kv[0], "", false
 	case "float":
-		return "float64", ""
+		return "float64", "", false
 	}
-	return "", ""
+	return "", "", false
 }
 
 var modelTpl = `package {{packageName}}
@@ -111,8 +120,7 @@ import (
 	"fmt"
 	"reflect"
 	"strings"
-	"time"
-
+	{{timePkg}}
 	"github.com/astaxie/beego/orm"
 )