From c56840f03cf139d60c6d90b55cf16e70f6ae2bc2 Mon Sep 17 00:00:00 2001
From: Trygve Laugstøl <trygvis@inamo.no>
Date: Sun, 21 Jun 2015 00:15:04 +0200
Subject: o Going all header file based and single-executable to launch all
 apps. o Ading CMake magic to generate the launcher

---
 apps/sm-db-insert.h | 80 +++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 80 insertions(+)
 create mode 100644 apps/sm-db-insert.h

(limited to 'apps/sm-db-insert.h')

diff --git a/apps/sm-db-insert.h b/apps/sm-db-insert.h
new file mode 100644
index 0000000..b786e41
--- /dev/null
+++ b/apps/sm-db-insert.h
@@ -0,0 +1,80 @@
+#include <boost/optional.hpp>
+#include <boost/lexical_cast.hpp>
+#include <pqxx/connection.hxx>
+#include <pqxx/transaction.hxx>
+#include "json.hpp"
+#include <fstream>
+
+namespace trygvis {
+namespace apps {
+
+template<class T>
+using o = boost::optional<T>;
+using namespace std;
+using json = nlohmann::json;
+
+class sm_db_insert : public app {
+
+public:
+    sm_db_insert() : app("sm-db-insert") {
+    }
+
+    ~sm_db_insert() = default;
+
+    void add_options(po::options_description_easy_init &options) override {
+        options
+                ("file", po::value<string>()->required(), "The file to read");
+    }
+
+    int main(app_execution &execution) override {
+        auto file = execution.vm["file"].as<string>();
+        cout << "reading from " << file << endl;
+
+        fstream f(file);
+
+        json j;
+
+        j << f;
+
+        pqxx::connection c("host=localhost dbname=soil-moisture");
+
+        pqxx::work work(c);
+
+        string mac = j["mac"]; // "aa:bb:cc:dd:ee:ff";
+
+        auto rs = work.parameterized("select id from soil_moisture_device where mac=$1")(mac).exec();
+
+        if (!rs.size()) {
+            cout << "New device: " << mac << endl;
+
+            rs = work.parameterized("insert into soil_moisture_device(mac) values($1) returning id")(mac).exec();
+        }
+
+        auto deviceId = rs.begin()["id"].as<int>();
+
+        int sensor = j["sensor"];
+
+        rs = work.parameterized("select id from soil_moisture_sensor where device=$1 and sensor=$2")(deviceId)(sensor).exec();
+
+        if (!rs.size()) {
+            cout << "New sensor: " << sensor << endl;
+
+            rs = work.parameterized("insert into soil_moisture_sensor(device, sensor) values($1, $2) returning id")(deviceId)(sensor).exec();
+        }
+        auto sensorId = rs.begin()["id"].as<int>();
+
+        unsigned long timestamp = get<unsigned long>(j, "timestamp");
+        unsigned int value = get<unsigned int>(j, "value");
+
+        work.parameterized("insert into soil_moisture_sample(sensor, timestamp, value) values($1, $2, $3)")(sensorId)(timestamp)(value).exec();
+
+        cout << "Sample inserted" << endl;
+
+        work.commit();
+
+        return EXIT_SUCCESS;
+    }
+};
+
+}
+}
-- 
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