settings implemented

src/core/database.cpp

@@ -107,7 +107,7 @@ void Database::init()
     if (errCode) {
         throw std::runtime_error("Could not open database file.");
     }
-    
+
     // sqlite3_db_config(db_, SQLITE_DBCONFIG_ENABLE_FKEY);
     exec("PRAGMA foreign_keys = ON;");
 
@@ -644,3 +644,73 @@ unsigned int Database::loadSales(std::vector<std::unique_ptr<Sale>>& sales,
 
     return count;
 }
+
+void Database::updateCashPointNo(int oldCashPointNo, int newCashPointNo)
+{
+    int retCode{};
+    sqlite3_stmt* stmt;
+
+    // Check if the new no ist already in use
+    retCode = sqlite3_prepare_v2(db_, "SELECT COUNT() FROM articles WHERE source_no = :source_no",
+                                 -1, &stmt, nullptr);
+    if (retCode != SQLITE_OK)
+        throw std::string(sqlite3_errmsg(db_));
+
+    sqlite3_bind_int(stmt, sqlite3_bind_parameter_index(stmt, ":source_no"), newCashPointNo);
+
+    retCode = sqlite3_step(stmt);
+
+    int count{};
+
+    if (retCode != SQLITE_ROW) {
+        std::string errMsg(sqlite3_errmsg(db_));
+        sqlite3_finalize(stmt);
+        throw std::runtime_error(errMsg);
+    }
+
+    count = sqlite3_column_int(stmt, 0);
+    sqlite3_finalize(stmt);
+
+    if (count > 0) {
+        throw std::runtime_error("The desired cashpoint no is aleady in use.");
+    }
+
+    beginTransaction();
+    retCode = sqlite3_prepare_v2(
+        db_, "UPDATE articles SET source_no = :new_source_no WHERE source_no = :old_source_no", -1,
+        &stmt, nullptr);
+    if (retCode != SQLITE_OK)
+        throw std::string(sqlite3_errmsg(db_));
+
+    sqlite3_bind_int(stmt, sqlite3_bind_parameter_index(stmt, ":new_source_no"), newCashPointNo);
+    sqlite3_bind_int(stmt, sqlite3_bind_parameter_index(stmt, ":old_source_no"), oldCashPointNo);
+
+    retCode = sqlite3_step(stmt);
+    if (retCode != SQLITE_DONE) {
+        std::string errMsg(sqlite3_errmsg(db_));
+        sqlite3_finalize(stmt);
+        throw std::runtime_error(errMsg);
+    }
+
+    sqlite3_finalize(stmt);
+
+    retCode = sqlite3_prepare_v2(
+        db_, "UPDATE sales SET source_no = :new_source_no WHERE source_no = :old_source_no", -1,
+        &stmt, nullptr);
+    if (retCode != SQLITE_OK)
+        throw std::string(sqlite3_errmsg(db_));
+
+    sqlite3_bind_int(stmt, sqlite3_bind_parameter_index(stmt, ":new_source_no"), newCashPointNo);
+    sqlite3_bind_int(stmt, sqlite3_bind_parameter_index(stmt, ":old_source_no"), oldCashPointNo);
+
+    retCode = sqlite3_step(stmt);
+    if (retCode != SQLITE_DONE) {
+        std::string errMsg(sqlite3_errmsg(db_));
+        sqlite3_finalize(stmt);
+        throw std::runtime_error(errMsg);
+    }
+
+    sqlite3_finalize(stmt);
+
+    endTransaction();
+}

src/core/database.h

@@ -23,6 +23,7 @@ class Database
     unsigned int storeSales(std::vector<std::unique_ptr<Sale>>& sales);
     unsigned int loadSales(std::vector<std::unique_ptr<Sale>>& sales,
                            std::vector<std::unique_ptr<Seller>>& sellers);
+    void updateCashPointNo(int oldCashPointNo, int newCashPointNo);
 
   private:
     sqlite3* db_{nullptr};

src/core/marketplace.cpp

@@ -139,6 +139,9 @@ void Marketplace::removeSale(boost::uuids::uuid uuid)
 double marketFee(int sum, int percent, int maxFee)
 {
     int fee = (sum * percent) / 100.0L;
+    if (maxFee <= 0) {
+        return fee;
+    }
     return fee > maxFee ? maxFee : fee;
 }