feat: add join-corresponding-sums

app/routers/grade_1.py

@@ -2,6 +2,7 @@ from fastapi import APIRouter, HTTPException
 
 from app.problems.grade_1 import (
     compose_and_decompose_numbers,
+    join_corresponding_sums,
     join_pictures_with_quantity,
     sum_with_image_reference,
     where_are_more_items,
@@ -9,6 +10,8 @@ from app.problems.grade_1 import (
 from app.schemas.grade_1 import (
     ComposeAndDecomposeNumbersProblem,
     ComposeAndDecomposeNumbersRequest,
+    JoinCorrespondingSumsProblem,
+    JoinCorrespondingSumsRequest,
     JoinPicturesWithQuantityProblem,
     JoinPicturesWithQuantityRequest,
     SumWithImageReferenceProblem,
@@ -20,6 +23,26 @@ from app.schemas.grade_1 import (
 router = APIRouter(prefix="/grade_1", tags=["Grade 1"])
 
 
+@router.post(
+    "/join_corresponding_sums",
+    response_model=JoinCorrespondingSumsProblem,
+)
+def create_join_corresponding_sums_problem(
+    request: JoinCorrespondingSumsRequest,
+) -> dict:
+    try:
+        return join_corresponding_sums(
+            pair_count=request.pair_count,
+            min_sum=request.min_sum,
+            max_sum=request.max_sum,
+            min_addend=request.min_addend,
+            max_addend=request.max_addend,
+            seed=request.seed,
+        )
+    except ValueError as exc:
+        raise HTTPException(status_code=400, detail=str(exc)) from exc
+
+
 @router.post(
     "/compose_and_decompose_numbers",
     response_model=ComposeAndDecomposeNumbersProblem,