From 33f24ab7be28465f4cf72ed4ecd00fdb106dbc30 Mon Sep 17 00:00:00 2001
From: Martin Brodbeck <martin@brodbeck-online.de>
Date: Wed, 18 Jul 2018 14:36:53 +0200
Subject: [PATCH] Now we can decide to make only-delete-changes in the db

---
 src/core/database.cpp    | 6 +++---
 src/core/database.h      | 2 +-
 src/core/marketplace.cpp | 4 ++--
 src/core/marketplace.h   | 2 +-
 src/gui/sellermodel.cpp  | 2 +-
 5 files changed, 8 insertions(+), 8 deletions(-)

diff --git a/src/core/database.cpp b/src/core/database.cpp
index 1a0d483..bd0e247 100644
--- a/src/core/database.cpp
+++ b/src/core/database.cpp
@@ -172,7 +172,7 @@ void Database::beginTransaction() { exec("BEGIN TRANSACTION"); }
 
 void Database::endTransaction() { exec("END TRANSACTION"); }
 
-unsigned int Database::storeSellers(std::vector<std::unique_ptr<Seller>>& sellers)
+unsigned int Database::storeSellers(std::vector<std::unique_ptr<Seller>>& sellers, bool onlyDelete)
 {
     int retCode{};
     int count{};
@@ -181,7 +181,7 @@ unsigned int Database::storeSellers(std::vector<std::unique_ptr<Seller>>& seller
     beginTransaction();
 
     for (auto& seller : sellers) {
-        if (seller->getState() == Seller::State::NEW) {
+        if (seller->getState() == Seller::State::NEW && !onlyDelete) {
             retCode = sqlite3_prepare_v2(
                 db_,
                 "INSERT INTO sellers"
@@ -214,7 +214,7 @@ unsigned int Database::storeSellers(std::vector<std::unique_ptr<Seller>>& seller
             }
             ++count;
             sqlite3_finalize(stmt);
-        } else if (seller->getState() == Seller::State::UPDATE) {
+        } else if (seller->getState() == Seller::State::UPDATE && !onlyDelete) {
             retCode = sqlite3_prepare_v2(
                 db_,
                 "UPDATE sellers SET"
diff --git a/src/core/database.h b/src/core/database.h
index 6e91f91..baf03ac 100644
--- a/src/core/database.h
+++ b/src/core/database.h
@@ -16,7 +16,7 @@ class Database
     Database(const Database&) = delete;
     Database& operator=(const Database&) = delete;
     void exec(const std::string& sql);
-    unsigned int storeSellers(std::vector<std::unique_ptr<Seller>>& sellers);
+    unsigned int storeSellers(std::vector<std::unique_ptr<Seller>>& sellers, bool onlyDelete = false);
     unsigned int loadSellers(std::vector<std::unique_ptr<Seller>>& sellers);
 
   private:
diff --git a/src/core/marketplace.cpp b/src/core/marketplace.cpp
index 76efc43..9136358 100644
--- a/src/core/marketplace.cpp
+++ b/src/core/marketplace.cpp
@@ -10,10 +10,10 @@ Marketplace::Marketplace()
     sellers_.push_back(std::move(seller));
 }
 
-void Marketplace::storeToDb()
+void Marketplace::storeToDb(bool onlyDelete)
 {
     Database db;
-    db.storeSellers(sellers_);
+    db.storeSellers(sellers_, onlyDelete);
 }
 
 void Marketplace::loadFromDb()
diff --git a/src/core/marketplace.h b/src/core/marketplace.h
index 2eb6492..8e11605 100644
--- a/src/core/marketplace.h
+++ b/src/core/marketplace.h
@@ -11,7 +11,7 @@ class Marketplace
 {
   public:
     Marketplace();
-    void storeToDb();
+    void storeToDb(bool onlyDelete = false);
     void loadFromDb();
     std::vector<std::unique_ptr<Seller>>& getSellers();
     int getNextSellerNo();
diff --git a/src/gui/sellermodel.cpp b/src/gui/sellermodel.cpp
index a21decd..663c8b6 100644
--- a/src/gui/sellermodel.cpp
+++ b/src/gui/sellermodel.cpp
@@ -149,7 +149,7 @@ bool SellerModel::removeRows(int row, int count, const QModelIndex& parent)
     } else {
         emit beginRemoveRows(parent, row, row + count - 1);
         seller->setState(Seller::State::DELETE);
-        marketplace_->storeToDb();
+        marketplace_->storeToDb(true);
         emit endRemoveRows();
     }