feat(backend): add basic backend code

backend/db/invitecode.go

@@ -0,0 +1,140 @@
+// Code generated by ent, DO NOT EDIT.
+
+package db
+
+import (
+	"fmt"
+	"strings"
+	"time"
+
+	"entgo.io/ent"
+	"entgo.io/ent/dialect/sql"
+	"github.com/chaitin/MonkeyCode/backend/db/invitecode"
+	"github.com/google/uuid"
+)
+
+// InviteCode is the model entity for the InviteCode schema.
+type InviteCode struct {
+	config `json:"-"`
+	// ID of the ent.
+	ID uuid.UUID `json:"id,omitempty"`
+	// AdminID holds the value of the "admin_id" field.
+	AdminID uuid.UUID `json:"admin_id,omitempty"`
+	// Code holds the value of the "code" field.
+	Code string `json:"code,omitempty"`
+	// CreatedAt holds the value of the "created_at" field.
+	CreatedAt time.Time `json:"created_at,omitempty"`
+	// UpdatedAt holds the value of the "updated_at" field.
+	UpdatedAt    time.Time `json:"updated_at,omitempty"`
+	selectValues sql.SelectValues
+}
+
+// scanValues returns the types for scanning values from sql.Rows.
+func (*InviteCode) scanValues(columns []string) ([]any, error) {
+	values := make([]any, len(columns))
+	for i := range columns {
+		switch columns[i] {
+		case invitecode.FieldCode:
+			values[i] = new(sql.NullString)
+		case invitecode.FieldCreatedAt, invitecode.FieldUpdatedAt:
+			values[i] = new(sql.NullTime)
+		case invitecode.FieldID, invitecode.FieldAdminID:
+			values[i] = new(uuid.UUID)
+		default:
+			values[i] = new(sql.UnknownType)
+		}
+	}
+	return values, nil
+}
+
+// assignValues assigns the values that were returned from sql.Rows (after scanning)
+// to the InviteCode fields.
+func (ic *InviteCode) assignValues(columns []string, values []any) error {
+	if m, n := len(values), len(columns); m < n {
+		return fmt.Errorf("mismatch number of scan values: %d != %d", m, n)
+	}
+	for i := range columns {
+		switch columns[i] {
+		case invitecode.FieldID:
+			if value, ok := values[i].(*uuid.UUID); !ok {
+				return fmt.Errorf("unexpected type %T for field id", values[i])
+			} else if value != nil {
+				ic.ID = *value
+			}
+		case invitecode.FieldAdminID:
+			if value, ok := values[i].(*uuid.UUID); !ok {
+				return fmt.Errorf("unexpected type %T for field admin_id", values[i])
+			} else if value != nil {
+				ic.AdminID = *value
+			}
+		case invitecode.FieldCode:
+			if value, ok := values[i].(*sql.NullString); !ok {
+				return fmt.Errorf("unexpected type %T for field code", values[i])
+			} else if value.Valid {
+				ic.Code = value.String
+			}
+		case invitecode.FieldCreatedAt:
+			if value, ok := values[i].(*sql.NullTime); !ok {
+				return fmt.Errorf("unexpected type %T for field created_at", values[i])
+			} else if value.Valid {
+				ic.CreatedAt = value.Time
+			}
+		case invitecode.FieldUpdatedAt:
+			if value, ok := values[i].(*sql.NullTime); !ok {
+				return fmt.Errorf("unexpected type %T for field updated_at", values[i])
+			} else if value.Valid {
+				ic.UpdatedAt = value.Time
+			}
+		default:
+			ic.selectValues.Set(columns[i], values[i])
+		}
+	}
+	return nil
+}
+
+// Value returns the ent.Value that was dynamically selected and assigned to the InviteCode.
+// This includes values selected through modifiers, order, etc.
+func (ic *InviteCode) Value(name string) (ent.Value, error) {
+	return ic.selectValues.Get(name)
+}
+
+// Update returns a builder for updating this InviteCode.
+// Note that you need to call InviteCode.Unwrap() before calling this method if this InviteCode
+// was returned from a transaction, and the transaction was committed or rolled back.
+func (ic *InviteCode) Update() *InviteCodeUpdateOne {
+	return NewInviteCodeClient(ic.config).UpdateOne(ic)
+}
+
+// Unwrap unwraps the InviteCode entity that was returned from a transaction after it was closed,
+// so that all future queries will be executed through the driver which created the transaction.
+func (ic *InviteCode) Unwrap() *InviteCode {
+	_tx, ok := ic.config.driver.(*txDriver)
+	if !ok {
+		panic("db: InviteCode is not a transactional entity")
+	}
+	ic.config.driver = _tx.drv
+	return ic
+}
+
+// String implements the fmt.Stringer.
+func (ic *InviteCode) String() string {
+	var builder strings.Builder
+	builder.WriteString("InviteCode(")
+	builder.WriteString(fmt.Sprintf("id=%v, ", ic.ID))
+	builder.WriteString("admin_id=")
+	builder.WriteString(fmt.Sprintf("%v", ic.AdminID))
+	builder.WriteString(", ")
+	builder.WriteString("code=")
+	builder.WriteString(ic.Code)
+	builder.WriteString(", ")
+	builder.WriteString("created_at=")
+	builder.WriteString(ic.CreatedAt.Format(time.ANSIC))
+	builder.WriteString(", ")
+	builder.WriteString("updated_at=")
+	builder.WriteString(ic.UpdatedAt.Format(time.ANSIC))
+	builder.WriteByte(')')
+	return builder.String()
+}
+
+// InviteCodes is a parsable slice of InviteCode.
+type InviteCodes []*InviteCode