chore(doc): documentet all public methods

src/Service/ContributionStore.php

@@ -13,6 +13,9 @@ class ContributionStore
     private PDO $pdo;
     private const int DAY_IN_SECONDS = 86400;
 
+    /**
+     * Opens (creating if needed) the SQLite store at $dbPath and ensures the schema exists.
+     */
     public function __construct(
         private readonly string $dbPath = "%kernel.project_dir%/var/data/contributions.db",
         private readonly ?int $retentionDays = null,
@@ -38,6 +41,9 @@ class ContributionStore
         ');
     }
 
+    /**
+     * Inserts a contribution count, overwriting any existing count for the same provider/date.
+     */
     public function add(string $provider, int $unixtime, int $count): void
     {
         $stmt = $this->pdo->prepare('
@@ -48,6 +54,9 @@ class ContributionStore
         $stmt->execute([$provider, $unixtime, $count]);
     }
 
+    /**
+     * Deletes the contribution row for the given provider/date, if any.
+     */
     public function remove(string $provider, int $unixtime): void
     {
         $stmt = $this->pdo->prepare('
@@ -58,6 +67,8 @@ class ContributionStore
     }
 
     /**
+     * Upserts a batch of date => count pairs for a provider via repeated add() calls.
+     *
      * @param array<int, int> $dateCounts unix timestamp => count
      */
     public function merge(string $provider, array $dateCounts): void
@@ -67,6 +78,9 @@ class ContributionStore
         }
     }
 
+    /**
+     * Returns the most recent stored unix timestamp for a provider, or null if it has no rows.
+     */
     public function latestDate(string $provider): ?int
     {
         $stmt = $this->pdo->prepare('SELECT MAX(date) FROM contributions WHERE provider = ?');
@@ -76,6 +90,9 @@ class ContributionStore
         return $result !== null ? (int) $result : null;
     }
 
+    /**
+     * Returns all stored contributions for a provider, optionally limited to the last $sinceDays days.
+     */
     public function all(string $provider, ?int $sinceDays = null): ContributionCollection
     {
         $sql = 'SELECT provider, date, count FROM contributions WHERE provider = ?';
@@ -97,6 +114,9 @@ class ContributionStore
         return new ContributionCollection(...$contributions);
     }
 
+    /**
+     * Deletes rows older than the configured retention window; a no-op if retention is unset or 0.
+     */
     public function prune(): void
     {
         if ($this->retentionDays === null || $this->retentionDays === 0) {