Init V4 community edition (#2265)

* Init V4 community edition

* Init V4 community edition

ent/schema/davaccount.go

@@ -0,0 +1,54 @@
+package schema
+
+import (
+	"entgo.io/ent"
+	"entgo.io/ent/schema/edge"
+	"entgo.io/ent/schema/field"
+	"entgo.io/ent/schema/index"
+	"github.com/cloudreve/Cloudreve/v4/inventory/types"
+	"github.com/cloudreve/Cloudreve/v4/pkg/boolset"
+)
+
+// DavAccount holds the schema definition for the DavAccount entity.
+type DavAccount struct {
+	ent.Schema
+}
+
+// Fields of the DavAccount.
+func (DavAccount) Fields() []ent.Field {
+	return []ent.Field{
+		field.String("name"),
+		field.Text("uri"),
+		field.String("password").
+			Sensitive(),
+		field.Bytes("options").GoType(&boolset.BooleanSet{}),
+		field.JSON("props", &types.DavAccountProps{}).
+			Optional(),
+		field.Int("owner_id"),
+	}
+}
+
+// Edges of the DavAccount.
+func (DavAccount) Edges() []ent.Edge {
+	return []ent.Edge{
+		edge.From("owner", User.Type).
+			Ref("dav_accounts").
+			Field("owner_id").
+			Unique().
+			Required(),
+	}
+}
+
+// Indexes of the DavAccount.
+func (DavAccount) Indexes() []ent.Index {
+	return []ent.Index{
+		index.Fields("owner_id", "password").
+			Unique(),
+	}
+}
+
+func (DavAccount) Mixin() []ent.Mixin {
+	return []ent.Mixin{
+		CommonMixin{},
+	}
+}