Beispiel #1
0
func (g *Generator) generateRepositoryFindOneByPrimaryKey(code *bytes.Buffer, table *pqt.Table) {
	entityName := g.name(table.Name)
	pk, ok := table.PrimaryKey()
	if !ok {
		return
	}

	fmt.Fprintf(code, `func (r *%sRepositoryBase) %s%s(%s %s) (*%sEntity, error) {`,
		entityName,
		g.name("FindOneBy"),
		g.public(pk.Name),
		g.private(pk.Name),
		g.generateColumnTypeString(pk, modeMandatory),
		entityName,
	)
	fmt.Fprintf(code, `var (
		ent %sEntity
	)`, entityName)
	code.WriteRune('\n')
	fmt.Fprint(code, "query := `SELECT ")
	for i, c := range table.Columns {
		fmt.Fprintf(code, "%s", c.Name)
		if i != len(table.Columns)-1 {
			code.WriteRune(',')
		}
		code.WriteRune('\n')
	}
	fmt.Fprintf(code, " FROM %s WHERE %s = $1`", table.FullName(), pk.Name)

	fmt.Fprintf(code, `
	err := r.db.QueryRow(query, %s).Scan(
	`, g.private(pk.Name))
	for _, c := range table.Columns {
		fmt.Fprintf(code, "&ent.%s,\n", g.propertyName(c.Name))
	}
	fmt.Fprint(code, `)
		if err != nil {
			return nil, err
		}

		return &ent, nil
}
`)
}
Beispiel #2
0
func (g *Generator) generateRepositoryDeleteOneByPrimaryKey(code *bytes.Buffer,
	table *pqt.Table) {
	entityName := g.name(table.Name)
	pk, ok := table.PrimaryKey()
	if !ok {
		return
	}

	fmt.Fprintf(code, `
		func (r *%sRepositoryBase) %s%s(%s %s) (int64, error) {
			query := "DELETE FROM %s WHERE %s = $1"

			res, err := r.db.Exec(query, %s)
			if err != nil {
				return 0, err
			}

			return res.RowsAffected()
		}
`, entityName, g.name("DeleteOneBy"), g.public(pk.Name), g.private(pk.Name), g.generateColumnTypeString(pk, 1), table.FullName(), pk.Name, g.private(pk.Name))
}
Beispiel #3
0
func (g *Generator) generateRepositoryUpdateOneByPrimaryKey(w io.Writer, table *pqt.Table) {
	entityName := g.name(table.Name)
	pk, ok := table.PrimaryKey()
	if !ok {
		return
	}

	fmt.Fprintf(w, "func (r *%sRepositoryBase) %s%s(%s %s, patch *%sPatch) (*%sEntity, error) {\n", entityName, g.name("UpdateOneBy"), g.public(pk.Name), g.private(pk.Name), g.generateColumnTypeString(pk, modeMandatory), entityName, entityName)
	fmt.Fprintf(w, "update := pqcomp.New(1, %d)\n", len(table.Columns))
	fmt.Fprintf(w, "update.AddArg(%s)\n", g.private(pk.Name))
	fmt.Fprintln(w, "")

ColumnsLoop:
	for _, c := range table.Columns {
		if c == pk {
			continue ColumnsLoop
		}
		if _, ok := c.DefaultOn(pqt.EventInsert, pqt.EventUpdate); ok {
			switch c.Type {
			case pqt.TypeTimestamp(), pqt.TypeTimestampTZ():
				fmt.Fprintf(w, "if patch.%s != nil {\n", g.propertyName(c.Name))

			}
		} else if g.canBeNil(c, modeOptional) {
			fmt.Fprintf(w, "if patch.%s != nil {\n", g.propertyName(c.Name))
		}

		fmt.Fprint(w, "update.AddExpr(")
		g.writeTableNameColumnNameTo(w, c.Table.Name, c.Name)
		fmt.Fprintf(w, ", pqcomp.Equal, patch.%s)\n", g.propertyName(c.Name))

		if d, ok := c.DefaultOn(pqt.EventUpdate); ok {
			switch c.Type {
			case pqt.TypeTimestamp(), pqt.TypeTimestampTZ():
				fmt.Fprint(w, `} else {`)
				fmt.Fprint(w, "update.AddExpr(")
				g.writeTableNameColumnNameTo(w, c.Table.Name, c.Name)
				fmt.Fprintf(w, `, pqcomp.Equal, "%s")`, d)
			}
		}
		if _, ok := c.DefaultOn(pqt.EventInsert, pqt.EventUpdate); ok {
			switch c.Type {
			case pqt.TypeTimestamp(), pqt.TypeTimestampTZ():
				fmt.Fprint(w, "\n}\n")
			}
		} else if g.canBeNil(c, modeOptional) {
			fmt.Fprint(w, "\n}\n")
		}
	}
	fmt.Fprintf(w, `
	if update.Len() == 0 {
		return nil, errors.New("%s update failure, nothing to update")
	}`, entityName)

	fmt.Fprintf(w, `
	query := "UPDATE %s SET "
	for update.Next() {
		if !update.First() {
			query += ", "
		}

		query += update.Key() + " " + update.Oper() + " " + update.PlaceHolder()
	}
	query += " WHERE %s = $1 RETURNING " + strings.Join(r.columns, ", ")
	var e %sEntity
	err := r.db.QueryRow(query, update.Args()...).Scan(
	`, table.FullName(), pk.Name, entityName)
	for _, c := range table.Columns {
		fmt.Fprintf(w, "&e.%s,\n", g.propertyName(c.Name))
	}
	fmt.Fprint(w, `)
if err != nil {
	return nil, err
}


return &e, nil
}
`)
}
Beispiel #4
0
func (g *Generator) generateRepositoryUpdateOneByUniqueConstraint(w io.Writer, table *pqt.Table) {
	entityName := g.name(table.Name)
	var unique []*pqt.Constraint
	for _, c := range tableConstraints(table) {
		if c.Type == pqt.ConstraintTypeUnique {
			unique = append(unique, c)
		}
	}
	if len(unique) < 1 {
		return
	}

	for _, u := range unique {
		arguments := ""
		methodName := "UpdateOneBy"
		for i, c := range u.Columns {
			if i != 0 {
				methodName += "And"
				arguments += ", "
			}
			methodName += g.public(c.Name)
			arguments += fmt.Sprintf("%s %s", g.private(columnForeignName(c)), g.generateColumnTypeString(c, modeMandatory))
		}
		fmt.Fprintf(w, `func (r *%sRepositoryBase) %s(%s, patch *%sPatch) (*%sEntity, error) {
		`, entityName, g.name(methodName), arguments, entityName, entityName)
		fmt.Fprintf(w, "update := pqcomp.New(%d, %d)\n", len(u.Columns), len(table.Columns))
		for _, c := range u.Columns {
			fmt.Fprintf(w, "update.AddArg(%s)\n", g.private(columnForeignName(c)))
		}
		pk, pkOK := table.PrimaryKey()
	ColumnsLoop:
		for _, c := range table.Columns {
			if pkOK && c == pk {
				continue ColumnsLoop
			}
			for _, uc := range u.Columns {
				if c == uc {
					continue
				}
			}
			if _, ok := c.DefaultOn(pqt.EventInsert, pqt.EventUpdate); ok {
				switch c.Type {
				case pqt.TypeTimestamp(), pqt.TypeTimestampTZ():
					fmt.Fprintf(w, "if patch.%s != nil {\n", g.propertyName(c.Name))

				}
			} else if g.canBeNil(c, modeOptional) {
				fmt.Fprintf(w, "if patch.%s != nil {\n", g.propertyName(c.Name))
			}

			fmt.Fprint(w, "update.AddExpr(")
			g.writeTableNameColumnNameTo(w, c.Table.Name, c.Name)
			fmt.Fprintf(w, ", pqcomp.Equal, patch.%s)\n", g.propertyName(c.Name))

			if d, ok := c.DefaultOn(pqt.EventUpdate); ok {
				switch c.Type {
				case pqt.TypeTimestamp(), pqt.TypeTimestampTZ():
					fmt.Fprint(w, `} else {`)
					fmt.Fprint(w, "update.AddExpr(")
					g.writeTableNameColumnNameTo(w, c.Table.Name, c.Name)
					fmt.Fprintf(w, `, pqcomp.Equal, "%s")`, d)
				}
			}
			if _, ok := c.DefaultOn(pqt.EventInsert, pqt.EventUpdate); ok {
				switch c.Type {
				case pqt.TypeTimestamp(), pqt.TypeTimestampTZ():
					fmt.Fprint(w, "\n}\n")
				}
			} else if g.canBeNil(c, modeOptional) {
				fmt.Fprint(w, "\n}\n")
			}
		}

		fmt.Fprintf(w, `
	if update.Len() == 0 {
		return nil, errors.New("%s update failure, nothing to update")
	}`, entityName)

		fmt.Fprintf(w, `
	query := "UPDATE %s SET "
	for update.Next() {
		if !update.First() {
			query += ", "
		}

		query += update.Key() + " " + update.Oper() + " " + update.PlaceHolder()
	}
`, table.FullName())
		fmt.Fprint(w, `query += " WHERE `)
		for i, c := range u.Columns {
			if i != 0 {
				fmt.Fprint(w, " AND ")
			}
			fmt.Fprintf(w, "%s = $%d", c.Name, i+1)
		}
		fmt.Fprintf(w, ` RETURNING " + strings.Join(r.columns, ", ")
	if r.dbg {
		if err := r.log.Log("msg", query, "function", "%s"); err != nil {
			return nil, err
		}
	}
	var e %sEntity
	err := r.db.QueryRow(query, update.Args()...).Scan(
	`, methodName, entityName)
		for _, c := range table.Columns {
			fmt.Fprintf(w, "&e.%s,\n", g.propertyName(c.Name))
		}
		fmt.Fprint(w, `)
if err != nil {
	return nil, err
}


return &e, nil
}
`)
	}
}