JS config fallback

.docker/run.sh

@@ -0,0 +1,11 @@
+#!/bin/sh
+
+PORT=${FAIRHOPPER_API_PORT=8010}
+
+echo "Starting FairHopper game server on port ${PORT}"
+
+uvicorn \
+    main:app \
+    --host 0.0.0.0 \
+    --port ${PORT} \
+    --workers=1

.docker/settings.py

@@ -0,0 +1,40 @@
+import os
+import logging
+
+from hopper.models.config import (
+    BoardSettings,
+    DebugSettings,
+    GameSettings,
+    InactivityWatchdogSettings,
+    Settings,
+    WSServerSettings,
+)
+from hopper.models.product import Product
+
+settings = Settings(
+    game=GameSettings(),
+    board=BoardSettings(
+        WIDTH=20,
+        HEIGHT=20,
+        OBSTACLE_COUNT=0,
+    ),
+    inacivity_watchdog=InactivityWatchdogSettings(),
+    purchase_timeout=5,
+    log_level=logging.INFO,
+    products=[
+        Product(name="CocaCola", id="cocacola-id"),
+        Product(name="Pepsi", id="pepsi-id"),
+        Product(name="Fanta", id="fanta-id"),
+        Product(name="Snickers", id="snickers-id"),
+        Product(name="Mars", id="mars-id"),
+        Product(name="Burek", id="burek-id"),
+    ],
+    ws_server=WSServerSettings(
+        HOST="0.0.0.0",
+        PORT=int(os.environ.get("FAIRHOPPER_WS_PORT", 8011)),
+    ),
+    debug=DebugSettings(
+        PRINT_BOARD=True,
+        PLAYERS=[],
+    ),
+)

.gitignore

@@ -4,3 +4,5 @@ __pycache__
 /env
 /.venv
 /settings.py
+/requirements.txt
+/frontend/js/config.js

Dockerfile

@@ -0,0 +1,37 @@
+FROM python:3.10.11-alpine3.17
+
+# take arguments
+ARG INTERNAL_API_PORT
+ARG INTERNAL_WS_PORT
+
+RUN \
+    pip install pip -U && \
+    pip install poetry --no-cache-dir
+
+WORKDIR /app
+
+COPY pyproject.toml .
+COPY poetry.lock .
+
+# create virtual environment
+RUN python -m venv /venv
+# set python thingies, set environment variables and activate virtual environment
+ENV \
+    PYTHONDONTWRITEBYTECODE=1 \
+    PYTHONUNBUFFERED=1 \
+    FAIRHOPPER_API_PORT=${INTERNAL_API_PORT} \
+    FAIRHOPPER_WS_PORT=${INTERNAL_WS_PORT} \
+    PATH="/venv/bin:$PATH"
+
+RUN \
+    # dump python dependencies into requirements file
+    poetry export --without-hashes --format=requirements.txt > requirements.txt && \
+    # install python libs
+    pip install -r requirements.txt --no-cache-dir --prefer-binary
+
+# copy all relevant files
+COPY ./.docker/* ./
+COPY ./hopper ./hopper
+COPY ./main.py .
+
+ENTRYPOINT [ "/app/run.sh" ]

Makefile

@@ -1,3 +1,11 @@
+IMAGE_NAME=fairhopper-service
+CONTAINER_NAME=fairhopper-service
+INTERNAL_API_PORT=8010
+INTERNAL_WS_PORT=8011
+EXTERNAL_API_PORT=8010
+EXTERNAL_WS_PORT=8011
+
+
 run:
 	@poetry run \
 		uvicorn \
@@ -14,3 +22,36 @@ run-dev:
 			--port 8010 \
 			--workers=1 \
 			--reload
+
+create-requirements:
+	@poetry export \
+		--without-hashes \
+		--format=requirements.txt \
+		> requirements.txt
+
+docker-clean:
+	@echo "> Removing container $(CONTAINER_NAME)"
+	- @docker rm $(CONTAINER_NAME)
+	@echo "> Removing image $(CONTAINER_NAME)"
+	- @docker image rm $(CONTAINER_NAME)
+
+
+docker-build:
+	@docker \
+		build . \
+			--build-arg INTERNAL_API_PORT=$(INTERNAL_API_PORT) \
+			--build-arg INTERNAL_WS_PORT=$(INTERNAL_WS_PORT) \
+			-t $(CONTAINER_NAME)
+
+docker-run:
+	@docker \
+		run \
+		--publish $(EXTERNAL_API_PORT):$(INTERNAL_API_PORT) \
+		--publish $(EXTERNAL_WS_PORT):$(INTERNAL_WS_PORT) \
+		--name=$(CONTAINER_NAME) \
+		$(IMAGE_NAME) \
+		--detach
+
+docker-clean-build:
+	make clean
+	make build

README.md

@@ -1,5 +1,14 @@
 # FairHopper
 
+## Useful links
+
+- [Frontend](https://fairhopper.mjerenja.com)
+- [API](https://api.fairhopper.mjerenja.com)
+- [API Docs](https://api.fairhopper.mjerenja.com/docs)
+- [FairHopper](https://gitea.ekirin.com/Intis/fairhopper)
+- [FairHopper SDK](https://gitea.ekirin.com/Intis/fairhopper-sdk)
+- Websockets: wss://fairhopper.mjerenja.com/ws
+
 ## Game
 
 ### Overview
@@ -8,10 +17,10 @@
 - Destination: center of a board (W / 2, H / 2)
 - Initial player position: Random on board border
 - Available moves:
-	- left
+    - left
-	- right
+    - right
-	- up
+    - up
-	- down
+    - down
 - Optional on-board obstacles
 
 ### Rules
@@ -24,6 +33,7 @@
 ## Game States
 
 ```plantuml
+scale 1024 width
 hide empty description
 
 state "Start Game" as StartGame
@@ -202,33 +212,33 @@ Check REST API interface on [FastAPI docs](http://localhost:8010/docs).
 Request body:
 ```json
 {
-	"player_name": "Pero"
+  "player_name": "Pero"
 }
 ```
 
 Response body:
 ```json
 {
-	"board": {
+  "board": {
-		"width": 101,
+    "width": 101,
-		"height": 101
+    "height": 101
-	},
+  },
-	"destination": {
+  "destination": {
-		"position": {
+    "position": {
-			"x": 50,
+      "x": 50,
-			"y": 50
+      "y": 50
-		}
+    }
-	},
+  },
-	"player": {
+  "player": {
-		"id": "75bba7cd-a4c1-4b50-b0b5-6382c2822a25",
+    "id": "75bba7cd-a4c1-4b50-b0b5-6382c2822a25",
-		"name": "Pero",
+    "name": "Pero",
-		"position": {
+    "position": {
-			"x": 0,
+      "x": 0,
-			"y": 10
+      "y": 10
-		},
+    },
-		"move_count": 0,
+    "move_count": 0,
-		"move_attempt_count": 0
+    "move_attempt_count": 0
-	}
+  }
 }
 ```
 
@@ -251,16 +261,16 @@ Response code:
 Response body:
 ```json
 {
-	"player": {
+  "player": {
-		"id": "string",
+    "id": "string",
-		"name": "Pero",
+    "name": "Pero",
-		"position": {
+    "position": {
-			"x": 50,
+      "x": 50,
-			"y": 50
+      "y": 50
-		},
+    },
-		"move_count": 10,
+    "move_count": 10,
-		"move_attempt_count": 12
+    "move_attempt_count": 12
-	}
+  }
 }
 ```
 
@@ -273,16 +283,16 @@ Request body: None
 Response body:
 ```json
 {
-	"player": {
+  "player": {
-		"id": "string",
+    "id": "string",
-		"name": "Pero",
+    "name": "Pero",
-		"position": {
+    "position": {
-			"x": 50,
+      "x": 50,
-			"y": 50
+      "y": 50
-		},
+    },
-		"move_count": 10,
+    "move_count": 10,
-		"move_attempt_count": 12
+    "move_attempt_count": 12
-	}
+  }
 }
 ```
 
@@ -293,19 +303,19 @@ GET `/game`
 Response body:
 ```json
 {
-	"playerId": "75bba7cd-a4c1-4b50-b0b5-6382c2822a25",
+  "playerId": "75bba7cd-a4c1-4b50-b0b5-6382c2822a25",
-	"board": {
+  "board": {
-		"width": 101,
+    "width": 101,
-		"height": 101
+    "height": 101
-	},
+  },
-	"destinationPosition": {
+  "destinationPosition": {
-		"x": 50,
+    "x": 50,
-		"y": 50
+    "y": 50
-	},
+  },
-	"playerPosition": {
+  "playerPosition": {
-		"x": 0,
+    "x": 0,
-		"y": 10
+    "y": 10
-	}
+  }
 }
 ```
 
@@ -314,120 +324,222 @@ Response body:
 ### WS Data format
 - json
 
+```json
+{
+  "message": message_type,
+  "data": ...
+}
+```
+
 
 ### Game state structure
 
-URI: `/game-state`
+Message: `game_dump`
 
 Data:
 ```json
 {
-	"board": {
+  "board": {
-		"width": 21,
+    "width": 10,
-		"height": 21
+    "height": 10
-	},
+  },
-	"destination": {
+  "destination": {
-		"position": {
+    "position": {
-			"x": 10,
+      "x": 5,
-			"y": 10
+      "y": 5
-		}
+    }
-	},
+  },
-	"players": [
+  "players": [
-		{
+    {
-			"id": "test-player-id",
+      "id": "test-player-pero",
-			"name": "Pero",
+      "name": "Pero",
-			"active": true,
+      "active": true,
-			"position": {
+      "position": {
-				"x": 2,
+        "x": 3,
-				"y": 2
+        "y": 3
-			},
+      },
-			"move_count": 3,
+      "move_count": 0,
-			"move_attempt_count": 3
+      "move_attempt_count": 0,
-		},
+      "state": "CREATED"
-		{
+    },
-			"id": "95962b49-0003-4bf2-b205-71f2590f2318",
+    {
-			"name": "Mirko",
+      "id": "test-player-mirko",
-			"active": true,
+      "name": "Mirko",
-			"position": {
+      "active": true,
-				"x": 0,
+      "position": {
-				"y": 0
+        "x": 4,
-			},
+        "y": 4
-			"move_count": 15,
+      },
-			"move_attempt_count": 20
+      "move_count": 0,
-		}
+      "move_attempt_count": 0,
-	],
+      "state": "CREATED"
-	"layers": [
+    }
-		{
+  ],
-			"name": "obstacles",
+  "layers": [
-			"objects": [
+    {
-				{
+      "name": "obstacles",
-					"type": "OBSTACLE",
+      "objects": [
-					"position": {
+        {
-						"x": 4,
+          "type": "OBSTACLE",
-						"y": 2
+          "position": {
-					}
+            "x": 0,
-				},
+            "y": 6
-				{
+          }
-					"type": "OBSTACLE",
+        },
-					"position": {
+        {
-						"x": 4,
+          "type": "OBSTACLE",
-						"y": 13
+          "position": {
-					}
+            "x": 5,
-				},
+            "y": 1
-				{
+          }
-					"type": "OBSTACLE",
+        },
-					"position": {
+        {
-						"x": 18,
+          "type": "OBSTACLE",
-						"y": 18
+          "position": {
-					}
+            "x": 1,
-				},
+            "y": 6
-				{
+          }
-					"type": "OBSTACLE",
+        }
-					"position": {
+      ]
-						"x": 5,
+    },
-						"y": 4
+    {
-					}
+      "name": "destination",
-				},
+      "objects": [
-				{
+        {
-					"type": "OBSTACLE",
+          "type": "DESTINATION",
-					"position": {
+          "position": {
-						"x": 7,
+            "x": 5,
-						"y": 10
+            "y": 5
-					}
+          }
-				}
+        }
-			]
+      ]
-		},
+    },
-		{
+    {
-			"name": "destination",
+      "name": "players",
-			"objects": [
+      "objects": [
-				{
+        {
-					"type": "DESTINATION",
+          "type": "PLAYER",
-					"position": {
+          "position": {
-						"x": 10,
+            "x": 3,
-						"y": 10
+            "y": 3
-					}
+          }
-				}
+        },
-			]
+        {
-		},
+          "type": "PLAYER",
-		{
+          "position": {
-			"name": "players",
+            "x": 4,
-			"objects": [
+            "y": 4
-				{
+          }
-					"type": "PLAYER",
+        }
-					"position": {
+      ]
-						"x": 2,
+    }
-						"y": 2
+  ]
-					}
-				},
-				{
-					"type": "PLAYER",
-					"position": {
-						"x": 0,
-						"y": 0
-					}
-				}
-			]
-		}
-	]
 }
 ```
+
+### Product purchase start
+
+Message: `product_purchase_start`
+
+Data:
+```json
+{
+  "player": {
+    "id": "test-player-pero",
+    "name": "Pero",
+    "active": true,
+    "position": {
+      "x": 10,
+      "y": 10
+    },
+    "move_count": 1,
+    "move_attempt_count": 1,
+    "state": "ON_DESTINATION"
+  },
+  "products": [
+    {
+      "name": "CocaCola",
+      "id": "cocacola-id",
+      "description": null
+    },
+    {
+      "name": "Pepsi",
+      "id": "pepsi-id",
+      "description": null
+    },
+    {
+      "name": "Fanta",
+      "id": "fanta-id",
+      "description": null
+    },
+    {
+      "name": "Snickers",
+      "id": "snickers-id",
+      "description": null
+    },
+    {
+      "name": "Mars",
+      "id": "mars-id",
+      "description": null
+    },
+    {
+      "name": "Burek",
+      "id": "burek-id",
+      "description": null
+    }
+  ],
+  "timeout": 5
+}
+```
+
+### Product purchase timer tick
+
+Message: `product_purchase_timer_tick`
+
+Data:
+```json
+{
+  "time_left": 4,
+  "player": {
+    "id": "test-player-pero",
+    "name": "Pero",
+    "active": true,
+    "position": {
+      "x": 10,
+      "y": 10
+    },
+    "move_count": 1,
+    "move_attempt_count": 1,
+    "state": "ON_DESTINATION"
+  }
+}
+```
+
+### Product purchase timer done
+
+Message: `product_purchase_done`
+
+Data:
+```json
+{
+  "player": {
+    "id": "test-player-pero",
+    "name": "Pero",
+    "active": true,
+    "position": {
+      "x": 10,
+      "y": 10
+    },
+    "move_count": 1,
+    "move_attempt_count": 1,
+    "state": "ON_DESTINATION"
+  },
+  "product": {
+    "name": "CocaCola",
+    "id": "cocacola-id",
+    "description": null
+  }
+}
+```
+
+If product selection timeout occured, product will be null.

frontend/index.html

@@ -8,13 +8,14 @@
     <link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/bootstrap@5.2.3/dist/css/bootstrap.min.css"
         integrity="sha384-rbsA2VBKQhggwzxH7pPCaAqO46MgnOM80zW1RWuH61DGLwZJEdK2Kadq2F9CUG65" crossorigin="anonymous">
     <link rel="stylesheet" href="styles.css">
+    <script src="js/config.js"></script>
     <script src="js/frontend.js"></script>
 
     <title>FairHopper Visualisation Client</title>
 </head>
 
 <body>
-    <main class="container-fluid container">
+    <main class="container-fluid main-container">
         <h1 class="mt-1 mb-2">
             FairHopper Visualisation Client
         </h1>

frontend/js/frontend.js

@@ -1,3 +1,7 @@
+if (typeof FAIRHOPPER_WS_SERVER === "undefined") {
+    var FAIRHOPPER_WS_SERVER = "ws://127.0.0.1:8011";
+}
+
 const BOARD_ICONS = {
     PLAYER: "😀",
     PLAYER_ON_DESTINATION: "😎",
@@ -13,10 +17,10 @@ function createBoard(board) {
             colHtml += `<div class="cell" id="cell-${x}-${y}">&nbsp;</div>`;
         }
         html += `
-                <div class="flex-grid">
+            <div class="flex-grid">
-                    ${colHtml}
+                ${colHtml}
-                </div>
+            </div>
-            `;
+        `;
     }
     document.getElementById("board-content").innerHTML = html;
 }
@@ -33,10 +37,10 @@ function renderCellContent(position, content) {
 }
 
 function renderPlayerList(players) {
-    const html = players
+    document.getElementById("players-content").innerHTML = players
         .filter((player) => player.active)
         .map((player) => {
-            const onDestination = player.state == "ON_DESTINATION";
+            const onDestination = player.state === "ON_DESTINATION";
             return `
                 <li class="${onDestination ? "text-success" : ""}">
                     ${player.name} (${player.move_count})
@@ -45,7 +49,6 @@ function renderPlayerList(players) {
             `;
         })
         .join("");
-    document.getElementById("players-content").innerHTML = html;
 }
 
 function renderPlayers(players) {
@@ -53,14 +56,13 @@ function renderPlayers(players) {
         .filter((player) => player.active)
         .forEach((player) => {
             const cell = findCell(player.position);
-            const onDestination = player.state == "ON_DESTINATION";
+            const onDestination = player.state === "ON_DESTINATION";
             const playerIcon = onDestination ? BOARD_ICONS.PLAYER_ON_DESTINATION : BOARD_ICONS.PLAYER;
             if (cell) {
-                const html = `
+                cell.innerHTML = `
                     <div class="player-tooltip">${player.name}</div>
                     ${playerIcon}
                 `;
-                cell.innerHTML = html;
             }
         });
 }
@@ -85,6 +87,8 @@ function renderDestination(position) {
 }
 
 function renderGameDump(data) {
+    closePurchaseWindow();
+
     createBoard(data.board);
     renderObstacles(data.layers);
     renderDestination(data.destination.position);
@@ -98,10 +102,10 @@ function productPurchaseStart(products, purchaseTimeout) {
     const contentElement = document.getElementById("products-content");
     const purchaseTimeoutElement = document.getElementById("purchase-countdown");
 
-    const html = products
+    contentElement.innerHTML = products
         .map((product) => {
             return `
-                <div class="card product">
+                <div class="card product" id="product-${product.id}">
                     <img src="img/products/${product.name}.jpeg" class="card-img-topx" alt="${product.name}">
                     <div class="card-body">
                         <h5 class="card-title">${product.name}</h5>
@@ -110,8 +114,6 @@ function productPurchaseStart(products, purchaseTimeout) {
             `;
         })
         .join("");
-
-    contentElement.innerHTML = html;
     containerElement.classList.remove("d-none");
     purchaseTimeoutElement.innerText = purchaseTimeout;
 }
@@ -121,18 +123,20 @@ function productPurchaseTimerTick(timeLeft) {
     purchaseTimeoutElement.innerText = timeLeft;
 }
 
-function productPurchased(product) {
+function closePurchaseWindow() {
-    console.log("productPurchased:", product);
-}
-
-function productPurchaseDone() {
-    console.log("productPurchaseDone");
     const container = document.getElementById("purchase-container");
     container.classList.add("d-none");
 }
 
+function productPurchaseDone(product) {
+    const cardContainer = document.getElementById(`product-${product.id}`);
+    cardContainer.classList.add("selected");
+}
+
 function wsConnect() {
-    let ws = new WebSocket("ws://localhost:8011");
+    console.log("Attempting to connect to", FAIRHOPPER_WS_SERVER);
+    let ws = new WebSocket(FAIRHOPPER_WS_SERVER);
+
     ws.onopen = () => {
         console.log("WS connected");
     };
@@ -151,11 +155,8 @@ function wsConnect() {
             case "product_purchase_timer_tick":
                 productPurchaseTimerTick(wsMessage.data.time_left);
                 break;
-            case "product_purchased":
-                productPurchased(wsMessage.data);
-                break;
             case "product_purchase_done":
-                productPurchaseDone();
+                productPurchaseDone(wsMessage.data.product);
                 break;
             default:
                 console.error("Unknown message:", wsMessage);
@@ -163,7 +164,7 @@ function wsConnect() {
     };
 
     ws.onclose = (e) => {
-        setTimeout(function () {
+        setTimeout(() => {
             wsConnect();
         }, 1000);
     };

frontend/styles.css

@@ -2,7 +2,7 @@ body {
     background-color: whitesmoke;
 }
 
-main.container {
+main.main-container {
     position: relative;
 }
 
@@ -84,8 +84,13 @@ ul.players {
     grid-template-columns: 1fr 1fr 1fr;
 }
 
+.purchase-container .products-content .product.selected {
+    background-color: pink;
+}
+
 .purchase-container .products-content .product .card-title {
     text-align: center;
+    font-size: 12pt;
 }
 
 .purchase-container .products-content .product img {

hopper/api/views.py

@@ -167,23 +167,22 @@ async def get_product(id: str) -> ProductDto:
     )
 
 
-@router.post("/player/{id}/product/purchase")
+@router.post("/player/{id}/product/purchase", response_model=ProductDto)
 async def purchase_product(
     body: PurchaseProductDto,
     engine: GameEngine = Depends(get_game_engine),
     player: Player = Depends(get_player),
-):
+) -> ProductDto:
     for product in settings.products:
         if product.id == body.product_id:
             try:
                 await engine.purchase_product(player=player, product=product)
+                return ProductDto.from_orm(product)
             except PurchaseForbiddenForPlayer:
                 raise HTTPException(
                     status_code=status.HTTP_403_FORBIDDEN,
                     detail="Purchase forbidden for this player",
                 )
-            break
+    raise HTTPException(
-    else:
+        status_code=status.HTTP_404_NOT_FOUND, detail="Product not found"
-        raise HTTPException(
+    )
-            status_code=status.HTTP_404_NOT_FOUND, detail="Product not found"
-        )

hopper/engine.py

@@ -212,6 +212,8 @@ class GameEngine:
         )
         self._purchase_countdown_timer.start()
 
+        await asyncio.sleep(settings.game.PURCHASE_START_DELAY)
+
     async def purchase_product(self, player: Player, product: Product) -> None:
         if not player.state == PlayerState.ON_DESTINATION:
             raise PurchaseForbiddenForPlayer()
@@ -220,6 +222,7 @@ class GameEngine:
         await self.ws_server.send_product_purchase_done_message(
             player=player, product=product
         )
+        await asyncio.sleep(settings.game.PURCHASE_FINISHED_DELAY)
         await self.reset_game()
 
     def _reset_player(self, player) -> None:

hopper/models/config.py

@@ -9,6 +9,8 @@ from hopper.models.product import Product
 @dataclass
 class GameSettings:
     MOVE_DELAY: float = 0.5  # seconds
+    PURCHASE_START_DELAY: float = 2  # seconds
+    PURCHASE_FINISHED_DELAY: float = 2  # seconds
 
 
 @dataclass
@@ -27,7 +29,7 @@ class InactivityWatchdogSettings:
 
 @dataclass
 class WSServerSettings:
-    HOST: str = "localhost"
+    HOST: str = "127.0.0.1"
     PORT: int = 8011
 
 
@@ -43,7 +45,7 @@ class Settings:
     board: BoardSettings
     inacivity_watchdog: InactivityWatchdogSettings
     ws_server: WSServerSettings
-    purchase_timeout: int = 10 # seconds
+    purchase_timeout: int = 10  # seconds
     log_level: int = logging.INFO
-    products: Optional[List[Product]] = None
+    products: List[Product] = None
     debug: Optional[DebugSettings] = None