Create biergarten brewery pipeline project (#199)

pipeline/src/biergarten_data_generator/run.cc

@@ -0,0 +1,49 @@
+/**
+ * @file biergarten_data_generator/run.cc
+ * @brief BiergartenDataGenerator::Run() implementation.
+ */
+
+#include <utility>
+
+#include <spdlog/spdlog.h>
+
+#include "biergarten_data_generator.h"
+
+bool BiergartenDataGenerator::Run() {
+  try {
+    std::vector<Location> cities = QueryCitiesWithCountries();
+    std::vector<EnrichedCity> enriched;
+    enriched.reserve(cities.size());
+
+    size_t skipped_count = 0;
+    for (auto& city : cities) {
+      try {
+        std::string region_context = context_service_->GetLocationContext(city);
+        spdlog::debug("[Pipeline] Context for '{}' ({}) gathered:\n{}",
+                     city.city, city.country, region_context);
+
+        enriched.push_back(
+            EnrichedCity{.location = std::move(city),
+                         .region_context = std::move(region_context)});
+      } catch (const std::exception& exception) {
+        ++skipped_count;
+        spdlog::warn(
+            "[Pipeline] Skipping city '{}' ({}): context lookup failed: {}",
+            city.city, city.country, exception.what());
+      }
+    }
+
+    if (skipped_count > 0) {
+      spdlog::warn(
+          "[Pipeline] Skipped {} city/cities due to context lookup errors",
+          skipped_count);
+    }
+
+    this->GenerateBreweries(enriched);
+    this->LogResults();
+    return true;
+  } catch (const std::exception& e) {
+    spdlog::error("Pipeline execution failed with error: {}", e.what());
+    return false;
+  }
+}