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Refactor project summaries to use database views

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This commit is contained in:
D. Berge
2020-08-26 20:19:59 +02:00
parent 1bf0b67409
commit e5bc5a0757
5 changed files with 38 additions and 48 deletions
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2
lib/www/server/api/middleware/project/get.js
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@@ -4,7 +4,7 @@ const { project} = require('../../../lib/db');
module.exports = async function (req, res, next) {
try {
res.status(200).send(await project.summary(req.params.project));
res.status(200).send(await project.get(req.params.project));
next();
} catch (err) {
next(err);

16
lib/www/server/lib/db/project/get.js
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@@ -0,0 +1,16 @@
const { setSurvey } = require('../connection');
async function get (projectId, opts = {}) {
const client = await setSurvey(projectId);
const text = `
SELECT *
FROM project_summary;
`;
const res = await client.query(text);
client.release();
return res.rows[0];
}
module.exports = get;

1
lib/www/server/lib/db/project/index.js
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@@ -1,6 +1,5 @@
module.exports = {
summary: require('./summary'),
list: require('./list'),
get: require('./get'),
post: require('./post'),

37
lib/www/server/lib/db/project/summary.js
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@@ -1,37 +0,0 @@
const { setSurvey } = require('../connection');
async function summary (projectId, opts = {}) {
const client = await setSurvey(projectId);
const sortFields = [
"pid", "name", "lines", "sequences", "unique_shots",
"total_shots", "info"
];
const sortKey = opts.sortBy && sortFields.includes(opts.sortBy) && opts.sortBy || "pid";
const sortDir = opts.sortDesc == "true" ? "DESC" : "ASC";
const offset = Math.abs((opts.page-1)*opts.itemsPerPage) || 0;
const limit = Math.abs(Number(opts.itemsPerPage)) || null;
// FIXME Make this into a PostgreSQL stored procedure
const text = `
SELECT * FROM projects,
(SELECT
(SELECT COUNT(DISTINCT line) FROM preplot_lines WHERE class='V') AS lines,
(SELECT COUNT(DISTINCT sequence) FROM final_lines) AS sequences,
(SELECT COUNT(*) from (
SELECT DISTINCT fl.line, fs.point
FROM final_lines fl INNER JOIN final_shots fs USING (sequence)) AS t) AS unique_shots,
(SELECT COUNT(*) FROM final_shots) AS total_shots,
(SELECT COUNT(*) FROM preplot_points WHERE class = 'S') AS preplot_points) info
WHERE current_setting('search_path') LIKE projects.schema||'%';
`;
const res = await client.query(text);
client.release();
return res.rows[0];
}
module.exports = summary;