app/routers_v2/evolution.py

@@ -7,6 +7,50 @@ from ..dependencies import oauth2_scheme, valid_token
 
 router = APIRouter(prefix="/api/v2/evolution", tags=["evolution"])
 
+# Tier -> threshold attribute name.  Index = current_tier; value is the
+# attribute on EvolutionTrack whose value is the *next* threshold to reach.
+# Tier 4 is fully evolved so there is no next threshold (None sentinel).
+_NEXT_THRESHOLD_ATTR = {
+    0: "t1_threshold",
+    1: "t2_threshold",
+    2: "t3_threshold",
+    3: "t4_threshold",
+    4: None,
+}
+
+
+def _build_card_state_response(state) -> dict:
+    """Serialise an EvolutionCardState into the standard API response shape.
+
+    Produces a flat dict with player_id and team_id as plain integers,
+    a nested 'track' dict with all threshold fields, and a computed
+    'next_threshold' field:
+      - For tiers 0-3: the threshold value for the tier immediately above.
+      - For tier 4 (fully evolved): None.
+
+    Uses model_to_dict(recurse=False) internally so FK fields are returned
+    as IDs rather than nested objects, then promotes the needed IDs up to
+    the top level.
+    """
+    track = state.track
+    track_dict = model_to_dict(track, recurse=False)
+
+    next_attr = _NEXT_THRESHOLD_ATTR.get(state.current_tier)
+    next_threshold = getattr(track, next_attr) if next_attr else None
+
+    return {
+        "player_id": state.player_id,
+        "team_id": state.team_id,
+        "current_tier": state.current_tier,
+        "current_value": state.current_value,
+        "fully_evolved": state.fully_evolved,
+        "last_evaluated_at": (
+            state.last_evaluated_at.isoformat() if state.last_evaluated_at else None
+        ),
+        "track": track_dict,
+        "next_threshold": next_threshold,
+    }
+
 
 @router.get("/tracks")
 async def list_tracks(
@@ -43,6 +87,52 @@ async def get_track(track_id: int, token: str = Depends(oauth2_scheme)):
     return model_to_dict(track, recurse=False)
 
 
+@router.get("/cards/{card_id}")
+async def get_card_state(card_id: int, token: str = Depends(oauth2_scheme)):
+    """Return the EvolutionCardState for a card identified by its Card.id.
+
+    Resolves card_id -> (player_id, team_id) via the Card table, then looks
+    up the matching EvolutionCardState row.  Because duplicate cards for the
+    same player+team share one state row (unique-(player,team) constraint),
+    any card_id belonging to that player on that team returns the same state.
+
+    Returns 404 when:
+      - The card_id does not exist in the Card table.
+      - The card exists but has no corresponding EvolutionCardState yet.
+    """
+    if not valid_token(token):
+        logging.warning("Bad Token: [REDACTED]")
+        raise HTTPException(status_code=401, detail="Unauthorized")
+
+    from ..db_engine import Card, EvolutionCardState, EvolutionTrack, DoesNotExist
+
+    # Resolve card_id to player+team
+    try:
+        card = Card.get_by_id(card_id)
+    except DoesNotExist:
+        raise HTTPException(status_code=404, detail=f"Card {card_id} not found")
+
+    # Look up the evolution state for this (player, team) pair, joining the
+    # track so a single query resolves both rows.
+    try:
+        state = (
+            EvolutionCardState.select(EvolutionCardState, EvolutionTrack)
+            .join(EvolutionTrack)
+            .where(
+                (EvolutionCardState.player == card.player_id)
+                & (EvolutionCardState.team == card.team_id)
+            )
+            .get()
+        )
+    except DoesNotExist:
+        raise HTTPException(
+            status_code=404,
+            detail=f"No evolution state for card {card_id}",
+        )
+
+    return _build_card_state_response(state)
+
+
 @router.post("/cards/{card_id}/evaluate")
 async def evaluate_card(card_id: int, token: str = Depends(oauth2_scheme)):
     """Force-recalculate evolution state for a card from career stats.

app/routers_v2/teams.py

@@ -135,15 +135,15 @@ async def get_teams(
     if has_guide is not None:
         # Use boolean comparison (PostgreSQL-compatible)
         if not has_guide:
-            all_teams = all_teams.where(Team.has_guide == False)
+            all_teams = all_teams.where(Team.has_guide == False)  # noqa: E712
         else:
-            all_teams = all_teams.where(Team.has_guide == True)
+            all_teams = all_teams.where(Team.has_guide == True)  # noqa: E712
 
     if is_ai is not None:
         if not is_ai:
-            all_teams = all_teams.where(Team.is_ai == False)
+            all_teams = all_teams.where(Team.is_ai == False)  # noqa: E712
         else:
-            all_teams = all_teams.where(Team.is_ai == True)
+            all_teams = all_teams.where(Team.is_ai == True)  # noqa: E712
 
     if event_id is not None:
         all_teams = all_teams.where(Team.event_id == event_id)
@@ -254,24 +254,24 @@ def get_scouting_dfs(allowed_players, position: str):
     if position in ["LF", "CF", "RF"]:
         series_list.append(
             pd.Series(
-                dict([(x.player.player_id, x.arm) for x in positions]), name=f"Arm OF"
+                dict([(x.player.player_id, x.arm) for x in positions]), name="Arm OF"
             )
         )
     elif position == "C":
         series_list.append(
             pd.Series(
-                dict([(x.player.player_id, x.arm) for x in positions]), name=f"Arm C"
+                dict([(x.player.player_id, x.arm) for x in positions]), name="Arm C"
             )
         )
         series_list.append(
             pd.Series(
-                dict([(x.player.player_id, x.pb) for x in positions]), name=f"PB C"
+                dict([(x.player.player_id, x.pb) for x in positions]), name="PB C"
             )
         )
         series_list.append(
             pd.Series(
                 dict([(x.player.player_id, x.overthrow) for x in positions]),
-                name=f"Throw C",
+                name="Throw C",
             )
         )
 
@@ -314,11 +314,11 @@ async def get_team_lineup(
     all_players = Player.select().where(Player.franchise == this_team.sname)
 
     if difficulty_name == "exhibition":
-        logging.info(f"pulling an exhibition lineup")
+        logging.info("pulling an exhibition lineup")
         if cardset_id is None:
             raise HTTPException(
                 status_code=400,
-                detail=f"Must provide at least one cardset_id for exhibition lineups",
+                detail="Must provide at least one cardset_id for exhibition lineups",
             )
         legal_players = all_players.where(Player.cardset_id << cardset_id)
 
@@ -404,17 +404,17 @@ async def get_team_lineup(
             #     if x.battingcard.player.p_name not in player_names:
             #         starting_nine['DH'] = x.battingcard.player
             #         break
-            logging.debug(f"Searching for a DH!")
+            logging.debug("Searching for a DH!")
             dh_query = legal_players.order_by(Player.cost.desc())
             for x in dh_query:
                 logging.debug(f"checking {x.p_name} for {position}")
                 if x.p_name not in player_names and "P" not in x.pos_1:
-                    logging.debug(f"adding!")
+                    logging.debug("adding!")
                     starting_nine["DH"]["player"] = model_to_dict(x)
                     try:
                         vl, vr, total_ops = get_bratings(x.player_id)
-                    except AttributeError as e:
-                        logging.debug(f"Could not find batting lines")
+                    except AttributeError:
+                        logging.debug("Could not find batting lines")
                     else:
                         # starting_nine[position]['vl'] = vl
                         # starting_nine[position]['vr'] = vr
@@ -429,12 +429,12 @@ async def get_team_lineup(
                 for x in dh_query:
                     logging.debug(f"checking {x.p_name} for {position}")
                     if x.p_name not in player_names:
-                        logging.debug(f"adding!")
+                        logging.debug("adding!")
                         starting_nine["DH"]["player"] = model_to_dict(x)
                         try:
                             vl, vr, total_ops = get_bratings(x.player_id)
-                        except AttributeError as e:
-                            logging.debug(f"Could not find batting lines")
+                        except AttributeError:
+                            logging.debug("Could not find batting lines")
                         else:
                             vl, vr, total_ops = get_bratings(x.player_id)
                             starting_nine[position]["vl"] = vl["obp"] + vl["slg"]
@@ -464,7 +464,7 @@ async def get_team_lineup(
                         x.player.p_name not in player_names
                         and x.player.p_name.lower() != pitcher_name
                     ):
-                        logging.debug(f"adding!")
+                        logging.debug("adding!")
                         starting_nine[position]["player"] = model_to_dict(x.player)
                         vl, vr, total_ops = get_bratings(x.player.player_id)
                         starting_nine[position]["vl"] = vl
@@ -542,7 +542,7 @@ async def get_team_lineup(
                         x.player.p_name not in player_names
                         and x.player.p_name.lower() != pitcher_name
                     ):
-                        logging.debug(f"adding!")
+                        logging.debug("adding!")
                         starting_nine[position]["player"] = model_to_dict(x.player)
                         vl, vr, total_ops = get_bratings(x.player.player_id)
                         starting_nine[position]["vl"] = vl["obp"] + vl["slg"]
@@ -649,11 +649,11 @@ async def get_team_sp(
     all_players = Player.select().where(Player.franchise == this_team.sname)
 
     if difficulty_name == "exhibition":
-        logging.info(f"pulling an exhibition lineup")
+        logging.info("pulling an exhibition lineup")
         if cardset_id is None:
             raise HTTPException(
                 status_code=400,
-                detail=f"Must provide at least one cardset_id for exhibition lineups",
+                detail="Must provide at least one cardset_id for exhibition lineups",
             )
         legal_players = all_players.where(Player.cardset_id << cardset_id)
 
@@ -778,11 +778,11 @@ async def get_team_rp(
     )
 
     if difficulty_name == "exhibition":
-        logging.info(f"pulling an exhibition RP")
+        logging.info("pulling an exhibition RP")
         if cardset_id is None:
             raise HTTPException(
                 status_code=400,
-                detail=f"Must provide at least one cardset_id for exhibition lineups",
+                detail="Must provide at least one cardset_id for exhibition lineups",
             )
         legal_players = all_players.where(Player.cardset_id << cardset_id)
 
@@ -934,7 +934,7 @@ async def get_team_rp(
                 )
                 return this_player
 
-    logging.info(f"Falling to last chance pitcher")
+    logging.info("Falling to last chance pitcher")
     all_relievers = sort_pitchers(
         PitchingCard.select()
         .join(Player)
@@ -957,7 +957,7 @@ async def get_team_record(team_id: int, season: int):
     all_games = StratGame.select().where(
         ((StratGame.away_team_id == team_id) | (StratGame.home_team_id == team_id))
         & (StratGame.season == season)
-        & (StratGame.short_game == False)
+        & (StratGame.short_game == False)  # noqa: E712
     )
 
     template = {
@@ -1049,8 +1049,6 @@ async def team_buy_players(team_id: int, ids: str, ts: str):
             detail=f"You are not authorized to buy {this_team.abbrev} cards. This event has been logged.",
         )
 
-    last_card = Card.select(Card.id).order_by(-Card.id).limit(1)
-    lc_id = last_card[0].id
 
     all_ids = ids.split(",")
     conf_message = ""
@@ -1098,7 +1096,7 @@ async def team_buy_players(team_id: int, ids: str, ts: str):
             if this_player.rarity.value >= 2:
                 new_notif = Notification(
                     created=datetime.now(),
-                    title=f"Price Change",
+                    title="Price Change",
                     desc="Modified by buying and selling",
                     field_name=f"{this_player.description} "
                     f"{this_player.p_name if this_player.p_name not in this_player.description else ''}",
@@ -1242,7 +1240,7 @@ async def team_sell_cards(team_id: int, ids: str, ts: str):
             if this_player.rarity.value >= 2:
                 new_notif = Notification(
                     created=datetime.now(),
-                    title=f"Price Change",
+                    title="Price Change",
                     desc="Modified by buying and selling",
                     field_name=f"{this_player.description} "
                     f"{this_player.p_name if this_player.p_name not in this_player.description else ''}",
@@ -1293,7 +1291,7 @@ async def get_team_cards(team_id, csv: Optional[bool] = True):
         .order_by(-Card.player.rarity.value, Card.player.p_name)
     )
     if all_cards.count() == 0:
-        raise HTTPException(status_code=404, detail=f"No cards found")
+        raise HTTPException(status_code=404, detail="No cards found")
 
     card_vals = [model_to_dict(x) for x in all_cards]
 
@@ -1391,7 +1389,7 @@ async def team_season_update(new_season: int, token: str = Depends(oauth2_scheme
             detail="You are not authorized to post teams. This event has been logged.",
         )
 
-    r_query = Team.update(
+    Team.update(
         ranking=1000, season=new_season, wallet=Team.wallet + 250, has_guide=False
     ).execute()
     current = Current.latest()
@@ -1531,3 +1529,57 @@ async def delete_team(team_id, token: str = Depends(oauth2_scheme)):
         raise HTTPException(status_code=200, detail=f"Team {team_id} has been deleted")
     else:
         raise HTTPException(status_code=500, detail=f"Team {team_id} was not deleted")
+
+
+@router.get("/{team_id}/evolutions")
+async def list_team_evolutions(
+    team_id: int,
+    card_type: Optional[str] = Query(default=None),
+    tier: Optional[int] = Query(default=None),
+    page: int = Query(default=1, ge=1),
+    per_page: int = Query(default=10, ge=1, le=100),
+    token: str = Depends(oauth2_scheme),
+):
+    """List all EvolutionCardState rows for a team, with optional filters.
+
+    Joins EvolutionCardState to EvolutionTrack so that card_type filtering
+    works without a second query.  Results are paginated via page/per_page
+    (1-indexed pages); items are ordered by player_id for stable ordering.
+
+    Query parameters:
+      card_type  -- filter to states whose track.card_type matches (e.g. 'batter', 'sp')
+      tier       -- filter to states at a specific current_tier (0-4)
+      page       -- 1-indexed page number (default 1)
+      per_page   -- items per page (default 10, max 100)
+
+    Response shape:
+      {"count": N, "items": [card_state_with_threshold_context, ...]}
+
+    Each item in 'items' has the same shape as GET /evolution/cards/{card_id}.
+    """
+    if not valid_token(token):
+        logging.warning("Bad Token: [REDACTED]")
+        raise HTTPException(status_code=401, detail="Unauthorized")
+
+    from ..db_engine import EvolutionCardState, EvolutionTrack
+    from ..routers_v2.evolution import _build_card_state_response
+
+    query = (
+        EvolutionCardState.select(EvolutionCardState, EvolutionTrack)
+        .join(EvolutionTrack)
+        .where(EvolutionCardState.team == team_id)
+        .order_by(EvolutionCardState.player_id)
+    )
+
+    if card_type is not None:
+        query = query.where(EvolutionTrack.card_type == card_type)
+
+    if tier is not None:
+        query = query.where(EvolutionCardState.current_tier == tier)
+
+    total = query.count()
+    offset = (page - 1) * per_page
+    page_query = query.offset(offset).limit(per_page)
+
+    items = [_build_card_state_response(state) for state in page_query]
+    return {"count": total, "items": items}

tests/conftest.py

@@ -11,6 +11,7 @@ tests.
 
 import os
 import pytest
+import psycopg2
 from peewee import SqliteDatabase
 
 # Set DATABASE_TYPE=postgresql so that the module-level SKIP_TABLE_CREATION
@@ -173,3 +174,39 @@ def track():
         t3_threshold=448,
         t4_threshold=896,
     )
+
+
+# ---------------------------------------------------------------------------
+# PostgreSQL integration fixture (used by test_evolution_*_api.py)
+# ---------------------------------------------------------------------------
+
+
+@pytest.fixture(scope="session")
+def pg_conn():
+    """Open a psycopg2 connection to the PostgreSQL instance for integration tests.
+
+    Reads connection parameters from the standard POSTGRES_* env vars that the
+    CI workflow injects when a postgres service container is running.  Skips the
+    entire session (via pytest.skip) when POSTGRES_HOST is not set, keeping
+    local runs clean.
+
+    The connection is shared for the whole session (scope="session") because
+    the integration test modules use module-scoped fixtures that rely on it;
+    creating a new connection per test would break those module-scoped fixtures.
+
+    Teardown: the connection is closed once all tests have finished.
+    """
+    host = os.environ.get("POSTGRES_HOST")
+    if not host:
+        pytest.skip("POSTGRES_HOST not set — PostgreSQL integration tests skipped")
+
+    conn = psycopg2.connect(
+        host=host,
+        port=int(os.environ.get("POSTGRES_PORT", "5432")),
+        dbname=os.environ.get("POSTGRES_DB", "paper_dynasty"),
+        user=os.environ.get("POSTGRES_USER", "postgres"),
+        password=os.environ.get("POSTGRES_PASSWORD", ""),
+    )
+    conn.autocommit = False
+    yield conn
+    conn.close()

tests/test_evolution_state_api.py

@@ -227,7 +227,7 @@ def seeded_data(pg_conn):
     card_no_state_id = cur.fetchone()[0]
 
     # Evolution card states
-    # Batter player at tier 1
+    # Batter player at tier 1, value 87.5
     cur.execute(
         """
         INSERT INTO evolution_card_state
@@ -258,9 +258,7 @@ def seeded_data(pg_conn):
     }
 
     # Teardown: delete in reverse FK order
-    cur.execute(
-        "DELETE FROM evolution_card_state WHERE id = %s", (state_id,)
-    )
+    cur.execute("DELETE FROM evolution_card_state WHERE id = %s", (state_id,))
     cur.execute(
         "DELETE FROM card WHERE id = ANY(%s)",
         ([card_id, card2_id, card_no_state_id],),
@@ -322,7 +320,7 @@ def test_list_filter_by_card_type(client, seeded_data, pg_conn):
     Verifies the JOIN to evolution_track and the WHERE predicate on card_type.
     """
     cur = pg_conn.cursor()
-    # Add a state for the sp player so we have two types
+    # Add a state for the sp player so we have two types in this team
     cur.execute(
         """
         INSERT INTO evolution_card_state
@@ -415,7 +413,11 @@ def test_list_pagination(client, seeded_data, pg_conn):
         VALUES (%s, %s, %s, 0, 0.0, false)
         RETURNING id
         """,
-        (seeded_data["player2_id"], seeded_data["team_id"], seeded_data["batter_track_id"]),
+        (
+            seeded_data["player2_id"],
+            seeded_data["team_id"],
+            seeded_data["batter_track_id"],
+        ),
     )
     extra_state_id = cur.fetchone()[0]
     pg_conn.commit()
@@ -478,7 +480,7 @@ def test_get_card_state_shape(client, seeded_data):
     assert t["t3_threshold"] == 448
     assert t["t4_threshold"] == 896
 
-    # tier=1 -> next is t2_threshold
+    # tier=1 -> next threshold is t2_threshold
     assert data["next_threshold"] == 149
 
 
@@ -510,11 +512,12 @@ def test_get_card_state_next_threshold(client, seeded_data, pg_conn):
     try:
         resp = client.get(f"/api/v2/evolution/cards/{card_id}", headers=AUTH_HEADER)
         assert resp.status_code == 200
-        assert resp.json()["next_threshold"] == 448
+        assert resp.json()["next_threshold"] == 448  # t3_threshold
 
         # Advance to tier 4 (fully evolved)
         cur.execute(
-            "UPDATE evolution_card_state SET current_tier = 4, fully_evolved = true WHERE id = %s",
+            "UPDATE evolution_card_state SET current_tier = 4, fully_evolved = true "
+            "WHERE id = %s",
             (state_id,),
         )
         pg_conn.commit()
@@ -524,7 +527,8 @@ def test_get_card_state_next_threshold(client, seeded_data, pg_conn):
         assert resp2.json()["next_threshold"] is None
     finally:
         cur.execute(
-            "UPDATE evolution_card_state SET current_tier = 1, fully_evolved = false WHERE id = %s",
+            "UPDATE evolution_card_state SET current_tier = 1, fully_evolved = false "
+            "WHERE id = %s",
             (state_id,),
         )
         pg_conn.commit()