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Freelancer Profile Listing

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-Template, Database access, Handler
-Freelancer Database Table
This commit is contained in:
Tina_Azure
2023-04-02 00:27:02 +02:00
parent b90f72f61a
commit 04e41c2dce
4 changed files with 167 additions and 9 deletions
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96
src/database.cpp
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@ -1,6 +1,7 @@
#include <string>
#include <list>
#include <iostream>
#include <vector>
#include <pqxx/pqxx>
#include "crow.h"
@ -12,15 +13,40 @@ namespace Database {
//Valid names for the JSON
const static std::string JSON_ITEM_NAMES[] = {"id", "customerEmailAddress", "freelancer", "templateName", "currencyPreference", "priceUpFront", "priceOnDeliver", "requestDescription", "accepted", "upFrontInvoiceID", "onDeliverInvoiceID", "upFrontPaid", "onDeliverPaid"};
//Name and Statement for prepared statement to insert an item into Requests
/*
* Name and Statement for prepared statement to insert an item into Requests
* Takes the name of the freelancer and the template and resolves them to create the request
* todo:validate
* todo:createAlternative
*/
const static std::string PREPARED_STATEMENT_INSERT_ITEM_IN_REQUESTS = "insertItemInRequests";
const static std::string SQL_STATEMENT_INSERT_ITEM_IN_REQUESTS = "INSERT INTO requests(id, customerEmailAddress, freelancer, templateName, currencyPreference, priceUpFront, priceOnDeliver, requestDescription, accepted, upFrontInvoiceID, onDeliverInvoiceID, upFrontPaid, onDeliverPaid) VALUES(DEFAULT, $1, $2, $3, $4, $5, $6, $7, $8, $9, $10, $11, $12 );";
const static std::string SQL_STATEMENT_INSERT_ITEM_IN_REQUESTS = "INSERT INTO requests(id, customerEmailAddress, freelancerid , templateid , currencyPreference, priceUpFront, priceOnDeliver, requestDescription, accepted, upFrontInvoiceID, onDeliverInvoiceID, upFrontPaid, onDeliverPaid) VALUES(DEFAULT, $1, (select id from freelancers where name = $2), (select id from templates where name = $3), $4, $5, $6, $7, $8, $9, $10, $11, $12 );";
/*
* Name and Statement for prepared statement to select an item based on a given ID
* Case for boolean return values because the default return value is f/t instead of 0/1 or false/true
* todo:validate
*/
const static std::string PREPARED_STATEMENT_SELECT_ITEM_BY_ID = "selectItemByID";
const static std::string SQL_STATEMENT_SELECT_ITEM_BY_ID = "SELECT id , customerEmailAddress, freelancer, templateName, currencyPreference, priceUpFront, priceOnDeliver, requestDescription, (CASE WHEN requests.accepted THEN 1 ELSE 0 END) AS accepted, upFrontInvoiceID, onDeliverInvoiceID, (CASE WHEN requests.upFrontPaid THEN 1 ELSE 0 END) AS upFrontPaid, (CASE WHEN requests.onDeliverPaid THEN 1 ELSE 0 END) AS onDeliverPaid FROM requests WHERE id=$1;";
const static std::string SQL_STATEMENT_SELECT_ITEM_BY_ID = "SELECT requests.id , customerEmailAddress, freelancers.name, templates.name, currencyPreference, priceUpFront, priceOnDeliver, requestDescription, (CASE WHEN requests.accepted THEN 1 ELSE 0 END) AS accepted, upFrontInvoiceID, onDeliverInvoiceID, (CASE WHEN requests.upFrontPaid THEN 1 ELSE 0 END) AS upFrontPaid, (CASE WHEN requests.onDeliverPaid THEN 1 ELSE 0 END) AS onDeliverPaid FROM requests INNER JOIN freelancers ON freelancers.id=requests.freelancerID INNER JOIN templates ON templates.id=requests.templateID WHERE requests.id=$1;";
/*
* Name and Statement for prepared statement to select a freelancer based on a given id
*/
const static std::string PREPARED_STATEMENT_SELECT_FREELANCER = "selectFreelancer";
const static std::string SQL_STATEMENT_SELECT_FREELANCER = "select id, name, generalinformation, basicinformation from freelancers WHERE id=$1;";
/*
* Name and Statement for prepared statement to select a freelancers templates based on a given freelancer id
*/
const static std::string PREPARED_STATEMENT_SELECT_FREELANCER_TEMPLATES = "selectFreelancerTemplates";
const static std::string SQL_STATEMENT_SELECT_FREELANCER_TEMPLATES = "select id, name, content from templates where freelancerid = $1 order by id;";
/*
* Selects freelancers, their basicInfo and if the commissions are closed/open ordered by name.
* Delivers if the commission limit has been reached and if the commissions are closed based on the accepted/completed state of the freelancers requests
*/
const static std::string SQL_Statement_SELECT_FREELANCERS_WITHCOMMISSIONSSTATE = "select id, name, basicInformation , (case when (commissionlimit <= (select count(*) as requestCount from requests where requests.accepted = true and requests.completed = false and requests.freelancerid = freelancers.id group by freelancers.id)) then 'Closed' else 'Open' end) as commissionsclosed from freelancers order by name;";
/*
* Struct Representing an item in Requests
@ -29,7 +55,9 @@ namespace Database {
int id;
std::string customerEmailAddress;
std::string freelancer;
std::string freelancerid;
std::string templateName;
std::string templateNameid;
std::string currencyPreference;
std::string priceUpFront;
std::string priceOnDeliver;
@ -87,6 +115,17 @@ namespace Database {
return result;
}
/*
* Executes the prepared statement SELECT_ITEM_BY_ID
* Takes an open pqxx::connection
*/
pqxx::result executeStatement_SELECT_FREELANCERS_WITHCOMMISSIONSSTATE(pqxx::connection &connection) {
pqxx::work work(connection);
pqxx::result result = work.exec(SQL_Statement_SELECT_FREELANCERS_WITHCOMMISSIONSSTATE);
work.commit();
return result;
}
/*
* Executes the prepared statement SELECT_ITEM_BY_ID
* Takes an open pqxx::connection and the id to select by
@ -99,6 +138,32 @@ namespace Database {
return result;
}
/*
* Executes the prepared statement SELECT_FREELANCER
* Takes an open pqxx::connection and the id to select by
*/
pqxx::result executePreparedStatement_SELECT_FREELANCER(pqxx::connection &connection, int freelancerID) {
connection.prepare(PREPARED_STATEMENT_SELECT_FREELANCER, SQL_STATEMENT_SELECT_FREELANCER);
pqxx::work work(connection);
pqxx::result result = work.exec_prepared(PREPARED_STATEMENT_SELECT_FREELANCER, freelancerID);
work.commit();
return result;
}
/*
* Executes the prepared statement SELECT_FREELANCER_TEMPLATES
* Takes an open pqxx::connection and the id to select by
*/
pqxx::result executePreparedStatement_SELECT_FREELANCER_TEMPLATES(pqxx::connection &connection, int freelancerID) {
connection.prepare(PREPARED_STATEMENT_SELECT_FREELANCER_TEMPLATES, SQL_STATEMENT_SELECT_FREELANCER_TEMPLATES);
pqxx::work work(connection);
pqxx::result result = work.exec_prepared(PREPARED_STATEMENT_SELECT_FREELANCER_TEMPLATES, freelancerID);
work.commit();
return result;
}
/*
* parses the result and returns a JSON
* Takes a result and optionally the desired row
@ -112,4 +177,29 @@ namespace Database {
}
return returnJson;
}
/*
* parses the result and returns a JSON
* parses it fully and returns a JSON containing it at the top or below a variable
* takes the result and optionally a name for the top level variable
*/
crow::json::wvalue convertResultToJSON(pqxx::result &result, std::string jsonName = ""){
std::vector<crow::json::wvalue> jsonVector;
for (int row = 0; row < result.size(); ++row) {
crow::json::wvalue jsonVectorItem;
for (int i = 0; i < result.columns(); ++i) {
jsonVectorItem[result.column_name(i)] = result.at(row).at(i).c_str();
}
jsonVector.push_back(jsonVectorItem);
}
crow::json::wvalue returnJson;
if (jsonName != ""){
returnJson[jsonName] = crow::json::wvalue(jsonVector);
}
else
{
returnJson = crow::json::wvalue(jsonVector);
}
return returnJson;
}
}

27
src/main.cpp
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@ -8,10 +8,6 @@ using namespace std;
int main() {
crow::SimpleApp app;
//define your endpoint at the root directory
CROW_ROUTE(app, "/")([]() {
return "Hello world";
});
// CROW_ROUTE(app, "/test.json")
// ([](){
@ -25,6 +21,29 @@ int main() {
string databaseURI = "postgresql://cavecommadmin:cavecomm@localhost:5432/cavecomm";
/*
* Freelancer Profile listing for customers
*/
CROW_ROUTE(app, "/")
([databaseURI]() {
pqxx::connection databaseConnection(databaseURI);
pqxx::result result = Database::executeStatement_SELECT_FREELANCERS_WITHCOMMISSIONSSTATE(databaseConnection);
auto page = crow::mustache::load("customerIndex_FreelancerListing.html");
crow::json::wvalue resultJson = Database::convertResultToJSON(result, "freelancerProfiles");
crow::mustache::context ctx(resultJson);
return page.render(ctx);
});
CROW_ROUTE(app, "/getEntry/<int>")
([databaseURI](int entry) {
pqxx::connection databaseConnection(databaseURI);