feat: started working on the head part of the split models

logic/utils/utils.go

@@ -1,6 +1,7 @@
 package utils
 
 import (
+	"database/sql"
 	"errors"
 	"fmt"
 	"io"
@@ -183,14 +184,64 @@ func MyParseForm(r *http.Request) (vs url.Values, err error) {
 	return
 }
 
+type JustId struct { Id string }
+
 type Generic struct{ reflect.Type }
 
 var NotFoundError = errors.New("Not found")
 
+func GetDbMultitple[T interface{}](c *Context, tablename string, args ...any) ([]*T, error) {
+    t := reflect.TypeFor[T]()
+	nargs := t.NumField()
+
+	query := ""
+
+	for i := 0; i < nargs; i += 1 {
+		query += strings.ToLower(t.Field(i).Name) + ","
+	}
+    
+    // Remove the last comma
+	query = query[0 : len(query)-1]
+
+	rows, err := c.Db.Query(fmt.Sprintf("select %s from %s", query, tablename), args...)
+	if err != nil {
+		return nil, err
+	}
+	defer rows.Close()
+
+    list := []*T{}
+
+    for rows.Next() {
+        item := new(T)
+        if err = mapRow(item, rows, nargs); err != nil {
+            return nil, err
+        }
+        list = append(list, item)
+    }
+
+    return list, nil
+}
+
+func mapRow(store interface{}, rows *sql.Rows, nargs int) (err error) {
+    err = nil 
+
+    val := reflect.Indirect(reflect.ValueOf(store))
+	scan_args := make([]interface{}, nargs);
+    for i := 0; i < nargs; i++ {
+        valueField := val.Field(i)
+        scan_args[i] = valueField.Addr().Interface()
+    }
+
+	err = rows.Scan(scan_args...)
+	if err != nil {
+		return
+	}
+
+    return nil
+}
+
 func GetDBOnce(c *Context, store interface{}, tablename string, args ...any) error {
-
     t := reflect.TypeOf(store).Elem()
-
 	nargs := t.NumField()
 
 	query := ""
@@ -199,10 +250,10 @@ func GetDBOnce(c *Context, store interface{}, tablename string, args ...any) err
 		query += strings.ToLower(t.Field(i).Name) + ","
 	}
 
+    // Remove the last comma
 	query = query[0 : len(query)-1]
 
 	rows, err := c.Db.Query(fmt.Sprintf("select %s from %s", query, tablename), args...)
-
 	if err != nil {
 		return err
 	}
@@ -212,6 +263,7 @@ func GetDBOnce(c *Context, store interface{}, tablename string, args ...any) err
 		return NotFoundError
 	}
 
+    err = nil 
 
     val := reflect.ValueOf(store).Elem()
 	scan_args := make([]interface{}, nargs);
@@ -227,3 +279,4 @@ func GetDBOnce(c *Context, store interface{}, tablename string, args ...any) err
 
     return nil
 }
+