Merge pull request #131 from viwii/master

替朋友合并mssql

data/view/gtools/gtools.go

@@ -11,6 +11,7 @@ import (
 
 	"github.com/xxjwxc/gormt/data/config"
 
+	"github.com/xxjwxc/gormt/data/view/model/genmssql"
 	"github.com/xxjwxc/gormt/data/view/model/genmysql"
 	"github.com/xxjwxc/gormt/data/view/model/gensqlite"
 	"github.com/xxjwxc/public/tools"
@@ -32,10 +33,12 @@ func showCmd() {
 	// fmt.Println(tt)
 	var modeldb model.IModel
 	switch config.GetDbInfo().Type {
-	case 0:
+	case 0: // mysql
 		modeldb = genmysql.GetModel()
-	case 1:
+	case 1: // sqllite
 		modeldb = gensqlite.GetModel()
+	case 2: //
+		modeldb = genmssql.GetModel()
 	}
 	if modeldb == nil {
 		mylog.Error(fmt.Errorf("modeldb not fund : please check db_info.type (0:mysql , 1:sqlite , 2:mssql) "))

data/view/model/genmssql/common.go

@@ -0,0 +1,100 @@
+package genmssql
+
+import (
+	"strings"
+
+	"github.com/xxjwxc/gormt/data/config"
+	"github.com/xxjwxc/public/mylog"
+
+	"github.com/xxjwxc/gormt/data/view/model"
+)
+
+// filterModel filter.过滤 gorm.Model
+func filterModel(list *[]genColumns) bool {
+	if config.GetDBTag() != "gorm" {
+		return false
+	}
+
+	var _temp []genColumns
+	num := 0
+	for _, v := range *list {
+		if strings.EqualFold(v.Field, "id") ||
+			strings.EqualFold(v.Field, "created_at") ||
+			strings.EqualFold(v.Field, "updated_at") ||
+			strings.EqualFold(v.Field, "deleted_at") {
+			num++
+		} else {
+			_temp = append(_temp, v)
+		}
+	}
+
+	if num >= 4 {
+		*list = _temp
+		return true
+	}
+
+	return false
+}
+
+// fixForeignKey fix foreign key.过滤外键
+func fixForeignKey(list []genForeignKey, columuName string, result *[]model.ForeignKey) {
+	for _, v := range list {
+		if strings.EqualFold(v.ColumnName, columuName) { // find it .找到了
+			*result = append(*result, model.ForeignKey{
+				TableName:  v.ReferencedTableName,
+				ColumnName: v.ReferencedColumnName,
+			})
+		}
+	}
+}
+
+// GetModel get model interface. 获取model接口
+func GetModel() model.IModel {
+	//now just support mysql
+	return &MssqlModel
+}
+
+// FixNotes 分析元素表注释
+func FixNotes(em *model.ColumnsInfo, note string) {
+	b0 := FixElementTag(em, note)        // gorm
+	b1 := FixForeignKeyTag(em, em.Notes) // 外键
+	if !b0 && b1 {                       // 补偿
+		FixElementTag(em, em.Notes) // gorm
+	}
+}
+
+// FixElementTag 分析元素表注释
+func FixElementTag(em *model.ColumnsInfo, note string) bool {
+	matches := noteRegex.FindStringSubmatch(note)
+	if len(matches) < 2 {
+		em.Notes = note
+		return false
+	}
+
+	mylog.Infof("get one gorm tag:(%v) ==> (%v)", em.BaseInfo.Name, matches[1])
+	em.Notes = note[len(matches[0]):]
+	em.Gormt = matches[1]
+	return true
+}
+
+// FixForeignKeyTag 分析元素表注释(外键)
+func FixForeignKeyTag(em *model.ColumnsInfo, note string) bool {
+	matches := foreignKeyRegex.FindStringSubmatch(note) // foreign key 外键
+	if len(matches) < 2 {
+		em.Notes = note
+		return false
+	}
+	em.Notes = note[len(matches[0]):]
+
+	// foreign key 外键
+	tmp := strings.Split(matches[1], ".")
+	if len(tmp) > 0 {
+		mylog.Infof("get one foreign key:(%v) ==> (%v)", em.BaseInfo.Name, matches[1])
+		em.ForeignKeyList = append(em.ForeignKeyList, model.ForeignKey{
+			TableName:  tmp[0],
+			ColumnName: tmp[1],
+		})
+	}
+
+	return true
+}

data/view/model/genmssql/def.go

@@ -0,0 +1,46 @@
+package genmssql
+
+import "regexp"
+
+// genColumns show full columns
+type genColumns struct {
+	Field   string  `gorm:"column:Field"`
+	Type    string  `gorm:"column:Type"`
+	Key     string  `gorm:"column:Key"`
+	Desc    string  `gorm:"column:Comment"`
+	Null    string  `gorm:"column:Null"`
+	Default *string `gorm:"column:Default"`
+}
+
+//select table_schema,table_name,column_name,referenced_table_schema,referenced_table_name,referenced_column_name from INFORMATION_SCHEMA.KEY_COLUMN_USAGE
+// where table_schema ='matrix' AND REFERENCED_TABLE_NAME IS NOT NULL AND TABLE_NAME = 'credit_card' ;
+// genForeignKey Foreign key of db info . 表的外键信息
+type genForeignKey struct {
+	TableSchema           string `gorm:"column:table_schema"`            // Database of columns.列所在的数据库
+	TableName             string `gorm:"column:table_name"`              // Data table of column.列所在的数据表
+	ColumnName            string `gorm:"column:column_name"`             // Column names.列名
+	ReferencedTableSchema string `gorm:"column:referenced_table_schema"` // The database where the index is located.该索引所在的数据库
+	ReferencedTableName   string `gorm:"column:referenced_table_name"`   // Affected tables . 该索引受影响的表
+	ReferencedColumnName  string `gorm:"column:referenced_column_name"`  // Which column of the affected table.该索引受影响的表的哪一列
+}
+
+/////////////////////////////////////////////////////////////////////////
+
+// TableDescription 表及表注释
+type TableDescription struct {
+	Name  string `gorm:"column:name"`  // 表名
+	Value string `gorm:"column:value"` // 表注释
+}
+
+type ColumnKeys struct {
+	ID     int    `gorm:"column:id"`
+	Name   string `gorm:"column:name"`   // 列名
+	Pk     int    `gorm:"column:pk"`     // 是否主键
+	Type   string `gorm:"column:tp"`     // 类型
+	Length int    `gorm:"column:len"`    // 长度
+	Isnull int    `gorm:"column:isnull"` // 是否为空
+	Desc   string `gorm:"column:des"`    // 列注释
+}
+
+var noteRegex = regexp.MustCompile(`^\[@gorm\s(\S+)+\]`)
+var foreignKeyRegex = regexp.MustCompile(`^\[@fk\s(\S+)+\]`)