implement basic multi-day support

src/decrease.sql

@@ -1,14 +1,17 @@
-UPDATE
-    food
-SET
-    actual_servings = MAX(
-        (SELECT
-            actual_servings
-            FROM
-                food
-            WHERE id = ?1) - 1,
-        0)
-WHERE
-    id = ?1
-RETURNING
-    actual_servings
+INSERT OR REPLACE INTO
+	day_serving (day, food_id, servings_eaten)
+VALUES (
+	CURRENT_DATE,
+	?1,
+	MAX(coalesce((
+        SELECT
+            servings_eaten
+        FROM
+            day_serving
+        WHERE
+            food_id = ?1
+            AND day = CURRENT_DATE
+        ) - 1,
+		0
+	), 0)
+) RETURNING servings_eaten;

src/get_food.sql

@@ -4,9 +4,14 @@ SELECT
     name,
     kc_per_serving,
     target_servings,
-    actual_servings,
+    coalesce(day_serving.servings_eaten, 0),
     color
 FROM
     food
+LEFT JOIN
+    day_serving
+ON
+	day_serving.food_id = food.id
+	AND day_serving.day = CURRENT_DATE
 WHERE
-    id = ?1
+    food.id = ?1;

src/get_foods.sql

@@ -1,12 +1,18 @@
 SELECT
-    id,
-    portion,
-    name,
-    kc_per_serving,
-    target_servings,
-    actual_servings,
-    color
+    food.id,
+    food.portion,
+    food.name,
+    food.kc_per_serving,
+    food.target_servings,
+    coalesce(day_serving.servings_eaten, 0) as servings_eaten,
+    food.color
 FROM
     food
+LEFT JOIN
+	day_serving
+ON
+	day_serving.food_id = food.id
+WHERE
+	coalesce(day_serving.day, CURRENT_DATE) = CURRENT_DATE
 ORDER BY
     sort_order, name;

src/get_sum.sql

@@ -1,6 +1,11 @@
 SELECT
-    SUM(kc_per_serving * actual_servings) AS kc,
-    SUM(protein_per_portion * actual_servings) AS protein,
-    SUM(fiber_per_portion * actual_servings) AS bs
+    SUM(kc_per_serving * servings_eaten) AS kc,
+    SUM(protein_per_portion * servings_eaten) AS protein,
+    SUM(fiber_per_portion * servings_eaten) AS bs
 FROM
     food
+LEFT JOIN
+    day_serving
+ON
+    day_serving.food_id = food.id
+    AND day_serving.day = CURRENT_DATE;

src/increase.sql

@@ -1,9 +1,17 @@
-UPDATE
-    food
-SET actual_servings = (
-    SELECT actual_servings
-    FROM food
-    WHERE id = ?1
-) + 1
-WHERE id = ?1
-RETURNING actual_servings
+INSERT OR REPLACE INTO
+	day_serving (day, food_id, servings_eaten)
+VALUES (
+	CURRENT_DATE,
+	?1,
+	coalesce((
+        SELECT
+            servings_eaten
+        FROM
+            day_serving
+        WHERE
+            food_id = ?1
+            AND day = CURRENT_DATE
+        ) + 1,
+		1
+	)
+) RETURNING servings_eaten;

src/main.rs

@@ -56,7 +56,7 @@ struct Food {
     name: String,
     kc_per_serving: i32,
     target_servings: i32,
-    actual_servings: i32,
+    servings_eaten: i32,
     color: String,
 }
 
@@ -69,7 +69,7 @@ impl Food {
                 name: row.get(2)?,
                 kc_per_serving: row.get(3)?,
                 target_servings: row.get(4)?,
-                actual_servings: row.get(5)?,
+                servings_eaten: row.get(5)?,
                 color: row.get(6)?,
             })
         }
@@ -127,6 +127,8 @@ struct AppError(anyhow::Error);
 // Tell axum how to convert `AppError` into a response.
 impl IntoResponse for AppError {
     fn into_response(self) -> Response {
+        let error = &self.0;
+        error!(?error, "error returned to client");
         (
             StatusCode::INTERNAL_SERVER_ERROR,
             format!("Something went wrong: {}", self.0),
@@ -152,12 +154,13 @@ fn get_version(tx: &Transaction) -> anyhow::Result<usize> {
     Ok(tx.query_one(include_str!("get_version.sql"), (), |row| row.get(0))?)
 }
 
-fn get_migrations() -> [&'static str; 4] {
+fn get_migrations() -> [&'static str; 5] {
     [
         include_str!("migrations/1.sql"),
         include_str!("migrations/2.sql"),
         include_str!("migrations/3.sql"),
         include_str!("migrations/4.sql"),
+        include_str!("migrations/5.sql"),
     ]
 }
 

src/migrations/5.sql

@@ -0,0 +1,23 @@
+CREATE TABLE day_serving (
+    -- ISO-8601
+    day TEXT NOT NULL DEFAULT CURRENT_DATE,
+    food_id INTEGER NOT NULL,
+    servings_eaten INTEGER NOT NULL DEFAULT 0,
+    PRIMARY KEY(day, food_id),
+    FOREIGN KEY(food_id) REFERENCES food(id)
+) STRICT;
+
+INSERT INTO
+    day_serving (food_id, servings_eaten)
+SELECT
+    id,
+    actual_servings
+FROM
+    food;
+
+ALTER TABLE
+    food
+DROP COLUMN
+    actual_servings;
+
+PRAGMA user_version = 5;

src/set.sql

@@ -1,8 +1,9 @@
 UPDATE
-    food
+    day_serving
 SET
-    actual_servings = MAX(?2, 0)
+    servings_eaten = MAX(?2, 0)
 WHERE
-    id = ?1
+    food_id = ?1
+    AND day = CURRENT_DATE
 RETURNING
-    actual_servings
+    servings_eaten

templates/food.html

@@ -20,7 +20,7 @@
       {% for counter in self::range(10) %}
       {% if loop.index as i32 <= food.target_servings %}
       <label class="ok">
-        {% if loop.index as i32 <= food.actual_servings %}
+        {% if loop.index as i32 <= food.servings_eaten %}
         <input type="button" hx-post="/set/{{ food.id }}/to/{{ loop.index as i32 - 1}}" hx-target="#card-{{ food.id }}" value="●" class="checked">
         {% else %}
         <input type="button" hx-post="/set/{{ food.id }}/to/{{ loop.index as i32 }}" hx-target="#card-{{ food.id }}" value="●" class="unchecked">
@@ -28,7 +28,7 @@
       </label>
       {% else %}
       <label class="bad">
-        {% if loop.index as i32 <= food.actual_servings %}
+        {% if loop.index as i32 <= food.servings_eaten %}
         <input type="button" hx-post="/set/{{ food.id }}/to/{{ loop.index as i32 - 1}}" hx-target="#card-{{ food.id }}" value="●" class="checked">
         {% else %}
         <input type="button" hx-post="/set/{{ food.id }}/to/{{ loop.index as i32 }}" hx-target="#card-{{ food.id }}" value="●" class="unchecked">