Initial (incomplete) implementation of f:f:core::Filter (#1495)

And RelationFilter subclass.

Used to implement the next step in core::Query.

1 files changed, 38 insertions, 2 deletions

diff --git a/Firestore/core/test/firebase/firestore/testutil/testutil.h b/Firestore/core/test/firebase/firestore/testutil/testutil.h
index c470250..f13c1b7 100644
--- a/Firestore/core/test/firebase/firestore/testutil/testutil.h
+++ b/Firestore/core/test/firebase/firestore/testutil/testutil.h
@@ -19,14 +19,21 @@
 
 #include <chrono>  // NOLINT(build/c++11)
 #include <cstdint>
+#include <memory>
+#include <string>
+#include <utility>
 
 #include "Firestore/core/include/firebase/firestore/timestamp.h"
+#include "Firestore/core/src/firebase/firestore/core/relation_filter.h"
 #include "Firestore/core/src/firebase/firestore/model/document.h"
 #include "Firestore/core/src/firebase/firestore/model/document_key.h"
 #include "Firestore/core/src/firebase/firestore/model/field_path.h"
+#include "Firestore/core/src/firebase/firestore/model/field_value.h"
 #include "Firestore/core/src/firebase/firestore/model/no_document.h"
 #include "Firestore/core/src/firebase/firestore/model/resource_path.h"
 #include "Firestore/core/src/firebase/firestore/model/snapshot_version.h"
+#include "Firestore/core/src/firebase/firestore/util/hard_assert.h"
+#include "absl/memory/memory.h"
 #include "absl/strings/string_view.h"
 
 namespace firebase {
@@ -59,8 +66,10 @@ inline model::SnapshotVersion Version(int64_t version) {
   return model::SnapshotVersion{Timestamp::FromTimePoint(timepoint)};
 }
 
-inline model::Document Doc(absl::string_view key, int64_t version = 0) {
-  return model::Document{model::FieldValue::ObjectValueFromMap({}), Key(key),
+inline model::Document Doc(absl::string_view key,
+                           int64_t version = 0,
+                           const model::ObjectValue::Map& data = {}) {
+  return model::Document{model::FieldValue::ObjectValueFromMap(data), Key(key),
                          Version(version),
                          /* has_local_mutations= */ false};
 }
@@ -69,6 +78,33 @@ inline model::NoDocument DeletedDoc(absl::string_view key, int64_t version) {
   return model::NoDocument{Key(key), Version(version)};
 }
 
+inline core::RelationFilter::Operator OperatorFromString(absl::string_view s) {
+  if (s == "<")
+    return core::RelationFilter::Operator::LessThan;
+  else if (s == "<=")
+    return core::RelationFilter::Operator::LessThanOrEqual;
+  else if (s == "==")
+    return core::RelationFilter::Operator::Equal;
+  else if (s == ">")
+    return core::RelationFilter::Operator::GreaterThan;
+  else if (s == ">=")
+    return core::RelationFilter::Operator::GreaterThanOrEqual;
+  HARD_FAIL("Unknown operator: %s", s);
+}
+
+inline std::shared_ptr<core::Filter> Filter(absl::string_view key,
+                                            absl::string_view op,
+                                            model::FieldValue value) {
+  return core::Filter::Create(Field(key), OperatorFromString(op),
+                              std::move(value));
+}
+
+inline std::shared_ptr<core::Filter> Filter(absl::string_view key,
+                                            absl::string_view op,
+                                            const std::string& value) {
+  return Filter(key, op, model::FieldValue::StringValue(value));
+}
+
 // Add a non-inline function to make this library buildable.
 // TODO(zxu123): remove once there is non-inline function.
 void dummy();