Using connect.ts to attach databases

This commit is contained in:
Clayzxr
2025-01-27 09:45:50 +01:00
parent b7e9df71f3
commit 874716c39d
2 changed files with 27 additions and 70 deletions
+27 -69
View File
@@ -1,31 +1,17 @@
import { Handlers } from "$fresh/server.ts";
import { Database } from "@db/sqlite";
import connect from "$root/databases/connect.ts";
export const handler: Handlers = {
// deno-lint-ignore require-await
async GET() {
console.log("API /mobility/api/insert_mobility GET called");
try {
console.log("Connecting to mobility database...");
const connection = new Database("databases/data/mobility.db", {
create: false,
});
connection.run(
"ATTACH DATABASE 'databases/data/students.db' AS students",
);
using connection = connect("mobility");
console.log("Connected to databases.");
const students = connection.prepare(
`SELECT
students.userId AS id,
students.firstName,
students.lastName,
students.promotionId AS promotionId,
promotions.name AS promotionName
FROM students.students
LEFT JOIN students.promotions ON students.promotionId = promotions.id`,
).all();
const mobilities = connection.prepare(
const mobilities = connection.database.prepare(
`SELECT
mobility.id,
mobility.studentId,
@@ -35,14 +21,23 @@ export const handler: Handlers = {
mobility.destinationCountry,
mobility.destinationName,
mobility.mobilityStatus
FROM mobility`,
FROM mobility`
).all();
const promotions = connection.prepare(
`SELECT id, name FROM students.promotions`,
const students = connection.database.prepare(
`SELECT
students.userId AS id,
students.firstName,
students.lastName,
students.promotionId AS promotionId,
promotions.name AS promotionName
FROM students.students
LEFT JOIN students.promotions ON students.promotionId = promotions.id`
).all();
connection.close();
const promotions = connection.database.prepare(
`SELECT id, name FROM students.promotions`
).all();
return new Response(
JSON.stringify({ mobilities, students, promotions }),
@@ -68,17 +63,10 @@ export const handler: Handlers = {
throw new Error("Invalid request body");
}
console.log("Connecting to mobility database...");
const connection = new Database("databases/data/mobility.db", {
create: false,
});
using connection = connect("mobility");
console.log("Connected to databases.");
console.log("Attaching students database...");
connection.run(
"ATTACH DATABASE 'databases/data/students.db' AS students",
);
console.log("Students database attached successfully.");
const insertQuery = connection.prepare(
const insertQuery = connection.database.prepare(
`INSERT INTO mobility (
id, studentId, startDate, endDate, weeksCount, destinationCountry, destinationName, mobilityStatus
)
@@ -89,12 +77,12 @@ export const handler: Handlers = {
weeksCount = excluded.weeksCount,
destinationCountry = excluded.destinationCountry,
destinationName = excluded.destinationName,
mobilityStatus = excluded.mobilityStatus`,
mobilityStatus = excluded.mobilityStatus`
);
for (const mobility of data) {
const {
id,
id = null,
studentId,
startDate,
endDate,
@@ -104,45 +92,18 @@ export const handler: Handlers = {
mobilityStatus = "N/A",
} = mobility;
console.log("Processing mobility data:", mobility);
const studentExists = connection
.prepare(
`SELECT COUNT(*) AS count FROM students.students WHERE userId = ?`,
)
.get(studentId);
console.log(`Student ${studentId} exists:`, studentExists.count > 0);
if (studentExists.count === 0) {
console.warn(`Skipping mobility for unknown studentId: ${studentId}`);
continue;
}
let calculatedWeeksCount = weeksCount;
if (startDate && endDate) {
const start = new Date(startDate);
const end = new Date(endDate);
if (start <= end) {
calculatedWeeksCount = Math.ceil(
(end.getTime() - start.getTime()) / (7 * 24 * 60 * 60 * 1000),
);
calculatedWeeksCount = Math.ceil((end.getTime() - start.getTime()) / (7 * 24 * 60 * 60 * 1000));
} else {
calculatedWeeksCount = null;
}
}
console.log("Executing SQL insert/update query for:", {
id,
studentId,
startDate,
endDate,
calculatedWeeksCount,
destinationCountry,
destinationName,
mobilityStatus,
});
console.log(`Inserting/Updating mobility for studentId: ${studentId}`);
insertQuery.run(
id,
studentId,
@@ -151,15 +112,12 @@ export const handler: Handlers = {
calculatedWeeksCount,
destinationCountry,
destinationName,
mobilityStatus,
mobilityStatus
);
}
connection.close();
console.log("Mobility data inserted/updated successfully.");
return new Response("Data inserted/updated successfully", {
status: 200,
});
return new Response("Data inserted/updated successfully", { status: 200 });
} catch (error) {
console.error("Error inserting mobility data:", error);
return new Response("Failed to insert/update data", { status: 500 });
@@ -1,5 +1,4 @@
import { Handlers } from "$fresh/server.ts";
// import { Database } from "@db/sqlite";
import connect from "$root/databases/connect.ts";
export const handler: Handlers = {