194 lines
9.5 KiB
C++
194 lines
9.5 KiB
C++
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/**
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* This example was grabbed from here https://www.sqlitetutorial.net/sqlite-trigger/
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*/
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#include <sqlite_orm/sqlite_orm.h>
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#include <iostream>
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#include <string>
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using namespace sqlite_orm;
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using std::cout;
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using std::endl;
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struct Lead {
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int id = 0;
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std::string firstName;
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std::string lastName;
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std::string email;
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std::string phone;
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#ifndef SQLITE_ORM_AGGREGATE_NSDMI_SUPPORTED
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Lead() = default;
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Lead(int id, std::string firstName, std::string lastName, std::string email, std::string phone) :
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id{id}, firstName{std::move(firstName)}, lastName{std::move(lastName)}, email{std::move(email)},
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phone{std::move(phone)} {}
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#endif
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};
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struct LeadLog {
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int id = 0;
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int oldId = 0;
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int newId = 0;
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std::string oldPhone;
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std::string newPhone;
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std::string oldEmail;
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std::string newEmail;
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std::string userAction;
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std::string createdAt;
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};
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int main() {
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auto storage = make_storage("",
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// CREATE TRIGGER validate_email_before_insert_leads
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// BEFORE INSERT ON leads
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// BEGIN
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// SELECT
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// CASE
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// WHEN NEW.email NOT LIKE '%_@__%.__%' THEN
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// RAISE (ABORT,'Invalid email address')
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// END;
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// END;
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make_trigger("validate_email_before_insert_leads",
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before()
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.insert()
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.on<Lead>()
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.begin(select(case_<int>()
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.when(not like(new_(&Lead::email), "%_@__%.__%"),
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then(raise_abort("Invalid email address")))
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.end()))
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.end()),
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// CREATE TRIGGER log_contact_after_update
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// AFTER UPDATE ON leads
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// WHEN old.phone <> new.phone
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// OR old.email <> new.email
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// BEGIN
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// INSERT INTO lead_logs (
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// old_id,
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// new_id,
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// old_phone,
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// new_phone,
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// old_email,
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// new_email,
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// user_action,
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// created_at
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// )
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// VALUES
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// (
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// old.id,
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// new.id,
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// old.phone,
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// new.phone,
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// old.email,
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// new.email,
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// 'UPDATE',
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// DATETIME('NOW')
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// ) ;
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// END;
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make_trigger("log_contact_after_update",
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after()
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.update()
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.on<Lead>()
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.when(is_not_equal(old(&Lead::phone), new_(&Lead::phone)) and
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is_not_equal(old(&Lead::email), new_(&Lead::email)))
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.begin(insert(into<LeadLog>(),
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columns(&LeadLog::oldId,
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&LeadLog::newId,
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&LeadLog::oldPhone,
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&LeadLog::newPhone,
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&LeadLog::oldEmail,
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&LeadLog::newEmail,
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&LeadLog::userAction,
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&LeadLog::createdAt),
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values(std::make_tuple(old(&Lead::id),
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new_(&Lead::id),
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old(&Lead::phone),
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new_(&Lead::phone),
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old(&Lead::email),
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new_(&Lead::email),
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"UPDATE",
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datetime("NOW")))))
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.end()),
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// CREATE TABLE leads (
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// id integer PRIMARY KEY,
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// first_name text NOT NULL,
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// last_name text NOT NULL,
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// email text NOT NULL,
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// phone text NOT NULL
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// );
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make_table("leads",
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make_column("id", &Lead::id, primary_key()),
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make_column("first_name", &Lead::firstName),
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make_column("last_name", &Lead::lastName),
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make_column("email", &Lead::email),
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make_column("phone", &Lead::phone)),
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// CREATE TABLE lead_logs (
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// id INTEGER PRIMARY KEY,
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// old_id int,
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// new_id int,
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// old_phone text,
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// new_phone text,
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// old_email text,
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// new_email text,
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// user_action text,
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// created_at text
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// );
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make_table("lead_logs",
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make_column("id", &LeadLog::id, primary_key()),
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make_column("old_id", &LeadLog::oldId),
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make_column("new_id", &LeadLog::newId),
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make_column("old_phone", &LeadLog::oldPhone),
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make_column("new_phone", &LeadLog::newPhone),
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make_column("old_email", &LeadLog::oldEmail),
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make_column("new_email", &LeadLog::newEmail),
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make_column("user_action", &LeadLog::userAction),
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make_column("created_at", &LeadLog::createdAt)));
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storage.sync_schema();
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// Insert a row with an invalid email into the leads table:
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//
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// INSERT INTO leads (first_name, last_name, email, phone)
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// VALUES('John', 'Doe', 'jjj', '4089009334');
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try {
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storage.insert(Lead{0, "John", "Doe", "jjj", "4089009334"});
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} catch(const std::system_error& systemError) {
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cout << "error: " << systemError.what() << endl;
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}
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// Insert a row with a valid email.
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// INSERT INTO leads (first_name, last_name, email, phone)
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// VALUES ('John', 'Doe', 'john.doe@sqlitetutorial.net', '4089009334');
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storage.insert(Lead{0, "John", "Doe", "john.doe@sqlitetutorial.net", "4089009334"});
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cout << "Leads:" << endl;
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for(auto& lead: storage.iterate<Lead>()) {
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cout << storage.dump(lead) << endl;
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}
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// UPDATE leads
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// SET last_name = 'Smith'
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// WHERE id = 1;
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storage.update_all(set(c(&Lead::lastName) = "Smith"), where(c(&Lead::id) == 1));
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cout << "Logs count = " << storage.count<LeadLog>() << endl;
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// UPDATE leads
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// SET
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// phone = '4089998888',
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// email = 'john.smith@sqlitetutorial.net'
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// WHERE id = 1;
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storage.update_all(set(c(&Lead::phone) = "4089998888", c(&Lead::email) = "john.smith@sqlitetutorial.net"),
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where(c(&Lead::id) == 1));
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cout << "Logs count = " << storage.count<LeadLog>() << endl;
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for(auto& leadLog: storage.iterate<LeadLog>()) {
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cout << storage.dump(leadLog) << endl;
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}
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return 0;
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}
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