support sqlite
支持sqlite
This commit is contained in:
谢小军
74
data/view/model/gensqlite/common.go
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74
data/view/model/gensqlite/common.go
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@@ -0,0 +1,74 @@
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package gensqlite
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import (
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"strings"
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"github.com/xxjwxc/gormt/data/config"
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"github.com/xxjwxc/gormt/data/view/model"
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)
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// filterModel filter.过滤 gorm.Model
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func filterModel(list *[]genColumns) bool {
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if config.GetDBTag() != "gorm" {
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return false
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}
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var _temp []genColumns
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num := 0
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for _, v := range *list {
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if strings.EqualFold(v.Name, "id") ||
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strings.EqualFold(v.Name, "created_at") ||
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strings.EqualFold(v.Name, "updated_at") ||
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strings.EqualFold(v.Name, "deleted_at") {
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num++
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} else {
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_temp = append(_temp, v)
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}
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}
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if num >= 4 {
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*list = _temp
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return true
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}
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return false
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}
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// fixForeignKey fix foreign key.过滤外键
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func fixForeignKey(list []genForeignKey, columuName string, result *[]model.ForeignKey) {
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for _, v := range list {
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if strings.EqualFold(v.ColumnName, columuName) { // find it .找到了
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*result = append(*result, model.ForeignKey{
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TableName: v.ReferencedTableName,
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ColumnName: v.ReferencedColumnName,
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})
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}
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}
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}
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// GetModel get model interface. 获取model接口
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func GetModel() model.IModel {
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//now just support mysql
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return &SQLiteModel
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}
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// FixElementNote 分析元素表注释
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func FixElementNote(em *model.ColumnsInfo, note string) {
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matches := noteRegex.FindStringSubmatch(note)
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if len(matches) < 2 {
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em.Notes = note
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return
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}
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em.Notes = note[len(matches[0]):]
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list := strings.Split(matches[1], ";")
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for _, v := range list {
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tmp := strings.Split(v, ":")
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if len(tmp) == 2 {
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if strings.EqualFold(tmp[0], "default") { // 默认值
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em.Default = tmp[1]
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}
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}
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}
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}
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31
data/view/model/gensqlite/def.go
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31
data/view/model/gensqlite/def.go
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@@ -0,0 +1,31 @@
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package gensqlite
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import "regexp"
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type keys struct {
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NonUnique int `gorm:"column:Non_unique"`
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KeyName string `gorm:"column:Key_name"`
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ColumnName string `gorm:"column:Column_name"`
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}
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// genColumns show full columns
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type genColumns struct {
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Name string `gorm:"column:name"`
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Type string `gorm:"column:type"`
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Pk int `gorm:"column:pk"`
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NotNull int `gorm:"column:notnull"`
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}
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//select table_schema,table_name,column_name,referenced_table_schema,referenced_table_name,referenced_column_name from INFORMATION_SCHEMA.KEY_COLUMN_USAGE
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// where table_schema ='matrix' AND REFERENCED_TABLE_NAME IS NOT NULL AND TABLE_NAME = 'credit_card' ;
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// genForeignKey Foreign key of db info . 表的外键信息
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type genForeignKey struct {
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TableSchema string `gorm:"column:table_schema"` // Database of columns.列所在的数据库
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TableName string `gorm:"column:table_name"` // Data table of column.列所在的数据表
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ColumnName string `gorm:"column:column_name"` // Column names.列名
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ReferencedTableSchema string `gorm:"column:referenced_table_schema"` // The database where the index is located.该索引所在的数据库
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ReferencedTableName string `gorm:"column:referenced_table_name"` // Affected tables . 该索引受影响的表
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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
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}
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var noteRegex = regexp.MustCompile(`^\[@gormt\s(\S+)+\]`)
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197
data/view/model/gensqlite/gensqlite.go
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197
data/view/model/gensqlite/gensqlite.go
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@@ -0,0 +1,197 @@
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package gensqlite
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import (
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"fmt"
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"sort"
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"strings"
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"github.com/xxjwxc/public/mylog"
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"github.com/jinzhu/gorm"
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_ "github.com/mattn/go-sqlite3"
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"github.com/xxjwxc/gormt/data/config"
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"github.com/xxjwxc/gormt/data/view/model"
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"github.com/xxjwxc/public/tools"
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)
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// SQLiteModel mysql model from IModel
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var SQLiteModel sqliteModel
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type sqliteModel struct {
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}
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// GenModel get model.DBInfo info.获取数据库相关属性
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func (m *sqliteModel) GenModel() model.DBInfo {
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db, err := gorm.Open("sqlite3", config.GetDbInfo().Host)
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if err != nil {
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mylog.Error(err)
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return model.DBInfo{}
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}
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defer db.Close()
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var dbInfo model.DBInfo
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m.getPackageInfo(db, &dbInfo)
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dbInfo.PackageName = m.GetPkgName()
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dbInfo.DbName = m.GetDbName()
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return dbInfo
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}
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// GetDbName get database name.获取数据库名字
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func (m *sqliteModel) GetDbName() string {
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dir := config.GetDbInfo().Host
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dir = strings.Replace(dir, "\\", "/", -1)
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if len(dir) > 0 {
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if dir[len(dir)-1] == '/' {
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dir = dir[:(len(dir) - 1)]
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}
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}
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var dbName string
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list := strings.Split(dir, "/")
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if len(list) > 0 {
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dbName = list[len(list)-1]
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}
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list = strings.Split(dbName, ".")
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if len(list) > 0 {
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dbName = list[0]
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}
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if len(dbName) == 0 || dbName == "." {
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panic(fmt.Sprintf("%v : db host config err.must file dir", dbName))
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}
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return dbName
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}
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// GetPkgName package names through config outdir configuration.通过config outdir 配置获取包名
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func (m *sqliteModel) GetPkgName() string {
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dir := config.GetOutDir()
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dir = strings.Replace(dir, "\\", "/", -1)
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if len(dir) > 0 {
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if dir[len(dir)-1] == '/' {
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dir = dir[:(len(dir) - 1)]
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}
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}
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var pkgName string
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list := strings.Split(dir, "/")
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if len(list) > 0 {
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pkgName = list[len(list)-1]
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}
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if len(pkgName) == 0 || pkgName == "." {
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list = strings.Split(tools.GetModelPath(), "/")
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if len(list) > 0 {
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pkgName = list[len(list)-1]
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}
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}
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return pkgName
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}
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func (m *sqliteModel) getPackageInfo(orm *gorm.DB, info *model.DBInfo) {
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tabls := m.getTables(orm) // get table and notes
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for tabName, notes := range tabls {
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var tab model.TabInfo
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tab.Name = tabName
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tab.Notes = notes
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if config.GetIsOutSQL() {
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// Get create SQL statements.获取创建sql语句
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rows, err := orm.Raw("SELECT tbl_name,sql FROM sqlite_master WHERE type='table' AND name = " + assemblyTable(tabName)).Rows()
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//defer rows.Close()
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if err == nil {
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if rows.Next() {
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var table, CreateTable string
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rows.Scan(&table, &CreateTable)
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tab.SQLBuildStr = CreateTable
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}
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}
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rows.Close()
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// ----------end
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}
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// build element.构造元素
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tab.Em = m.getTableElement(orm, tabName)
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// --------end
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info.TabList = append(info.TabList, tab)
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}
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// sort tables
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sort.Slice(info.TabList, func(i, j int) bool {
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return info.TabList[i].Name < info.TabList[j].Name
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})
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}
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// getTableElement Get table columns and comments.获取表列及注释
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func (m *sqliteModel) getTableElement(orm *gorm.DB, tab string) (el []model.ColumnsInfo) {
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var list []genColumns
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// Get table annotations.获取表注释
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orm.Raw(fmt.Sprintf("PRAGMA table_info(%v)", assemblyTable(tab))).Scan(&list)
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// filter gorm.Model.过滤 gorm.Model
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if filterModel(&list) {
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el = append(el, model.ColumnsInfo{
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Type: "gorm.Model",
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})
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}
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// -----------------end
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// ForeignKey
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var foreignKeyList []genForeignKey
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if config.GetIsForeignKey() {
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}
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// ------------------end
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for _, v := range list {
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var tmp model.ColumnsInfo
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tmp.Name = v.Name
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tmp.Type = v.Type
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FixElementNote(&tmp, "")
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if v.Pk == 1 { // 主键
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tmp.Index = append(tmp.Index, model.KList{
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Key: model.ColumnsKeyPrimary,
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Multi: false,
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})
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}
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tmp.IsNull = (v.NotNull != 1)
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// ForeignKey
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fixForeignKey(foreignKeyList, tmp.Name, &tmp.ForeignKeyList)
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// -----------------end
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el = append(el, tmp)
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}
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return
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}
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// getTables Get columns and comments.获取表列及注释
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func (m *sqliteModel) getTables(orm *gorm.DB) map[string]string {
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tbDesc := make(map[string]string)
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// Get column names.获取列名
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var tables []string
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rows, err := orm.Raw("SELECT name FROM sqlite_master WHERE type='table'").Rows()
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if err != nil {
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if !config.GetIsGUI() {
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fmt.Println(err)
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}
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return tbDesc
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}
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for rows.Next() {
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var table string
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rows.Scan(&table)
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if !strings.EqualFold(table, "sqlite_sequence") { // 剔除系统默认
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tables = append(tables, table)
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tbDesc[table] = ""
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}
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}
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rows.Close()
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// TODO.获取表注释
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return tbDesc
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}
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func assemblyTable(name string) string {
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return "'" + name + "'"
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}
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