Add endpoint for ARC PLC reconciliation

CHANGELOG.md

@@ -4,6 +4,11 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
+## [Unreleased]
+
+### Added
+- Add endpoint for ARC PLC reconciliation policy. [#332](https://github.com/policy-design-lab/pdl-api/issues/332)
+
 ## [0.24.0] - 2025-07-31
 
 ### Changed

app/controllers/pdl.py

@@ -32,6 +32,8 @@
 COMMOD_STATE_DISTRIBUTION_DATA_JSON = "commodities_state_distribution_data.json"
 COMMOD_SUBPROGRAMS_DATA_JSON = "commodities_subprograms_data.json"
 ARC_PLC_DATA_JSON = "arc_plc_payments_current.json.gz"
+ARC_PLC_CURRENT_OBBBA_DATA_JSON = "arc_plc_payments_current_obbba.json.gz" # These variable namings will need to be updated the naming once we finalize the scenario names.
+ARC_PLC_PROPOSED_OBBBA_DATA_JSON = "arc_plc_payments_proposed_obbba.json.gz"
 I_PROPOSALS_SUBTITLE_A_DATA_PATH = os.path.join(TITLE_I_DATA_PATH, "proposals", "subtitle-a")
 ARC_PLC_PROPOSAL_DATA_JSON = "arc_plc_payments_proposed.json.gz"
 I_SUBTITLE_D_DATA_PATH = os.path.join(TITLE_I_DATA_PATH, "subtitle-d")
@@ -460,6 +462,29 @@ def titles_title_i_subtitles_subtitle_a_arc_plc_payments_current_search():
     response.headers['Content-Encoding'] = 'gzip'
     return response
 
+# /pdl/titles/title-i/subtitles/subtitle-a/arc-plc-payments/baseline
+def titles_title_i_subtitles_subtitle_a_arc_plc_payments_baseline_search():
+    # set the file path
+    arc_plc_current_obbba_data = os.path.join(I_SUBTITLE_A_DATA_PATH, ARC_PLC_CURRENT_OBBBA_DATA_JSON)
+
+    with open(arc_plc_current_obbba_data, 'rb') as current_obbba_data:
+        file_data = current_obbba_data.read()
+
+    response = Response(file_data, mimetype='application/json')
+    response.headers['Content-Encoding'] = 'gzip'
+    return response
+
+# /pdl/titles/title-i/subtitles/subtitle-a/arc-plc-payments/obbba
+def titles_title_i_subtitles_subtitle_a_arc_plc_payments_obbba_search():
+    # set the file path
+    arc_plc_proposed_obbba_data = os.path.join(I_PROPOSALS_SUBTITLE_A_DATA_PATH, ARC_PLC_PROPOSED_OBBBA_DATA_JSON)
+
+    with open(arc_plc_proposed_obbba_data, 'rb') as proposed_obbba_data:
+        file_data = proposed_obbba_data.read()
+
+    response = Response(file_data, mimetype='application/json')
+    response.headers['Content-Encoding'] = 'gzip'
+    return response
 
 # /pdl/titles/title-i/subtitles/subtitle-a/arc-plc-payments/proposed
 def titles_title_i_subtitles_subtitle_a_arc_plc_payments_proposed_search():

app/pdl.yaml

@@ -389,6 +389,46 @@ paths:
           description: Unauthorized
         500:
           description: Internal error
+  /pdl/titles/title-i/subtitles/subtitle-a/arc-plc-payments/obbba:
+    get:
+      tags:
+        - "Title I: Commodities - Subtitle A"
+      summary: Gets the Title I Subtitle A commodities payment distribution for ARC and PLC based on OBBBA.
+      description: |
+        Returns the Title I Subtitle A commodities payment distribution data for ARC and PLC based on OBBBA in JSON format.
+      responses:
+        200:
+          description: Ok
+          content:
+            application/json:
+              schema:
+                type: string
+        400:
+          description: Bad request
+        401:
+          description: Unauthorized
+        500:
+          description: Internal error
+  /pdl/titles/title-i/subtitles/subtitle-a/arc-plc-payments/baseline:
+    get:
+      tags:
+        - "Title I: Commodities - Subtitle A"
+      summary: Gets the baseline Title I Subtitle A commodities payment distribution for ARC and PLC based on OBBBA.
+      description: |
+        Returns the baseline Title I Subtitle A commodities payment distribution data for ARC and PLC based on OBBBA in JSON format.
+      responses:
+        200:
+          description: Ok
+          content:
+            application/json:
+              schema:
+                type: string
+        400:
+          description: Bad request
+        401:
+          description: Unauthorized
+        500:
+          description: Internal error
   /pdl/titles/title-i/subtitles/subtitle-a/arc-plc-payments/proposed:
     get:
       tags: