Introduce the CodeDrivenDataModelProvider (project-chip#39974)

* Add the CodeDrivenDataModelProvider with Unit Tests

* Restyled by clang-format

* Fix unused variable

* Attempt to fix clang-tidy error

* Restyled by clang-format

* Removed SetPersistentStorageDelegate and moved it to ctor

* Remove unit tests from building for efr32, failing in CI

* Restyled by clang-format

* Move codedriven/tests to the right place in BUILD.gn

* Update src/data-model-providers/codedriven/CodeDrivenDataModelProvider.cpp

rename endpointProvider to endpoint

Co-authored-by: Boris Zbarsky <bzbarsky@apple.com>

* More endpointProvider -> endpoint renames

* Update comment "using code" -> "dynamically at runtime"

Co-authored-by: Boris Zbarsky <bzbarsky@apple.com>

* Update comment about "outlive their registration."

Co-authored-by: Boris Zbarsky <bzbarsky@apple.com>

* Update comment on CodeDrivenDataModelProvider.h "ProviderMetadataTree implementation"

Co-authored-by: Boris Zbarsky <bzbarsky@apple.com>

* Add comment on CodeDrivenDataModelProvider.h "/* DataModel::Provider implementation */"

Co-authored-by: Boris Zbarsky <bzbarsky@apple.com>

* Log all cluster paths on startup failure

* Fix comment about EndpointProvider

* Review suggestion: Removed outStatus from GetServerCluster

* Fix ServerClusters(EndpointId) to return correct clusters; add unit test

* Moved clusters to data model provider

* renamed GetServerCluster to GetServerClusterInterface for consistency
* Added endpoint ID assignment logic
* removed GetServerCluster and ServerClusters from the EndpointInterface
  and SpanEndpoint
* Added more unit tests for everything that was changed.

* Restyled by whitespace

* Restyled by clang-format

* Remove cluster on shutdown

* removed unused iterator

* Update code to return CHIP_ERROR_KEY_NOT_FOUND instead of Status::Failure

* Update UnsupportedEndpoint error code; check for EndpointID validity in ServerClusters()

* Minor nit from code review

* nit from code review: use std::max

* Addressed latest round of review suggestions from Andrei; Removed endpoint id from SpanEndpoint; Removed mNextAvailableEndpointId; Removed validation for paths/endpoints; Renamed variables from epProvider to endpoint; Fixed comments and added TODO about markDirty()

* Restyled by whitespace

* Restyled by clang-format

* Make PersistentStorageDelegate a reference instead of a pointer

* Attempt to make clang tidy happy

* Apply Boris' NITs from code review

Co-authored-by: Boris Zbarsky <bzbarsky@apple.com>

* Update SpanEndpoint to get const refs; remove default arg from EndpointRegistration; Move Get methods to private

* Fixed ordering of clusters/endpoints; added more checks and tests to verify the new behavior

* fix CI coverage failure

* Restyled by whitespace

* Restyled by clang-format

* Fix merge issues with master; Updated serverClsuterContext to references; store the interactionContext

* Fix one more conflict with master

* Reuse LogOnlyEvents

* Restyled by clang-format

* make clang tidy happy

* Start clusters on first endpoint added

* Update src/data-model-providers/codedriven/CodeDrivenDataModelProvider.h

Co-authored-by: Boris Zbarsky <bzbarsky@apple.com>

* Restyled by whitespace

---------

Co-authored-by: Restyled.io <commits@restyled.io>
Co-authored-by: Boris Zbarsky <bzbarsky@apple.com>

Author: 3 people

src/BUILD.gn

@@ -123,6 +123,7 @@ if (chip_build_tests) {
       # with ember
       # Disabled on EFR32 since "include <random>" fails with `::fabs` not defined
       tests += [
+        "${chip_root}/src/data-model-providers/codedriven/tests",
         "${chip_root}/src/data-model-providers/codegen/tests",
         "${chip_root}/examples/common/server-cluster-shim/tests",
       ]

src/data-model-providers/codedriven/BUILD.gn

@@ -0,0 +1,30 @@
+# Copyright (c) 2025 Project CHIP Authors
+
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+import("//build_overrides/chip.gni")
+import("//build_overrides/pigweed.gni")
+source_set("codedriven") {
+  sources = [
+    "CodeDrivenDataModelProvider.cpp",
+    "CodeDrivenDataModelProvider.h",
+  ]
+
+  public_deps = [
+    "${chip_root}/src/app:paths",
+    "${chip_root}/src/app/server-cluster",
+    "${chip_root}/src/app/server-cluster:registry",
+    "${chip_root}/src/data-model-providers/codedriven/endpoint",
+    "${chip_root}/src/lib/core:types",
+    "${chip_root}/src/lib/support",
+  ]
+}