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| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 | 11x 11x 16x 16x 16x 11x 8x 8x 11x 1x 1x 11x 1x 1x 11x 1x 1x 1x 11x 1x 1x 11x 5x 5x 5x 11x 3x 3x 11x 4x 4x 4x 11x 1x 1x 1x 11x | const db = require("../../database/connection");
const insert = (course) => {
const query = "INSERT INTO course(title, hyperlink, capability_id, category_id, competency_id, urn) VALUES ($1, $2, $3, $4, $5, $6) " +
"RETURNING *"; // returns passed course with it's id set to corresponding id in database
const params = [course.title, course.hyperlink, course.capabilityId, course.categoryId, course.competencyId, course.urn];
return db.query(query, params);
};
const findById = (id) => {
const query = "SELECT * FROM course WHERE id=$1";
return db.query(query, [id]);
};
const findByIdJoint = (id) => {
const query = "SELECT " +
"title(course) AS title, hyperlink(course) AS hyperlink, id(course) AS id, urn(course) AS urn, " +
"title(capability) AS capability_title, id(capability) AS capability_id, " +
"title(category) AS category_title, id(category) AS category_id, " +
"title(competency) AS competency_title, id(competency) AS competency_id " +
"FROM course " +
"LEFT JOIN capability ON id(capability) = capability_id " +
"LEFT JOIN category ON id(category) = category_id " +
"LEFT JOIN competency ON id(competency) = competency_id " +
"WHERE id(course)=$1";
return db.query(query, [id]);
};
const findByIdWithFullInfo = (id) => {
const query = "SELECT " +
"ARRAY(SELECT phase_id(course_phase) FROM course_phase WHERE course_id(course_phase) = id(course)) AS phases, " +
"title(course) AS title, hyperlink(course) AS hyperlink, id(course) AS id, urn(course) AS urn, " +
"title(capability) AS capability_title, id(capability) AS capability_id, " +
"title(category) AS category_title, id(category) AS category_id, " +
"title(competency) AS competency_title, id(competency) AS competency_id " +
"FROM course " +
"LEFT JOIN capability ON id(capability) = capability_id " +
"LEFT JOIN category ON id(category) = category_id " +
"LEFT JOIN competency ON id(competency) = competency_id " +
"WHERE id(course)=$1";
return db.query(query, [id]);
};
const update = (course) => {
const query = "UPDATE course SET title = $2, hyperlink = $3, capability_id = $4, category_id = $5, " +
"competency_id = $6, urn = $7 WHERE id = $1" +
"RETURNING *"; // returns passed course with it's id set to corresponding id in database
const params = [course.id, course.title, course.hyperlink, course.capabilityId, course.categoryId, course.competencyId, course.urn];
return db.query(query, params);
};
const removeById = (id) => {
const query = "DELETE FROM course WHERE id=$1 RETURNING *";
return db.query(query, [id]);
};
const findByFilters = (filters) => {
const query = "SELECT * FROM course LEFT JOIN course_phase ON course_id(course_phase) = id WHERE " +
"($1 = -1 OR capability_id = $1) AND " +
"($2 = -1 OR category_id = $2) AND " +
"($3 = -1 OR competency_id = $3) AND " +
"($4 = -1 OR phase_id = $4)";
const params = [filters.capabilityId, filters.categoryId, filters.competencyId, filters.phaseId];
return db.query(query, params);
};
const findByKeyword = (keyword) => {
const query = "SELECT * FROM course WHERE UPPER(title) LIKE UPPER($1)";
return db.query(query, [`%${keyword}%`]);
};
const findByFiltersAndKeyword = (search) => {
const query = "SELECT * FROM course LEFT JOIN course_phase ON course_id(course_phase) = id WHERE " +
"($1 = -1 OR capability_id = $1) AND " +
"($2 = -1 OR category_id = $2) AND " +
"($3 = -1 OR competency_id = $3) AND " +
"($4 = -1 OR phase_id = $4) AND " +
"($5 = '%%' OR (UPPER(title) LIKE UPPER($5)))";
const params = [search.filters.capabilityId, search.filters.categoryId,
search.filters.competencyId, search.filters.phaseId, `%${search.keyword}%`];
return db.query(query, params);
};
const findByFiltersAndKeywordJoint = (search) => {
const query = "SELECT DISTINCT ON (id(course)) " +
"ARRAY(SELECT phase_id(course_phase) FROM course_phase WHERE course_id(course_phase) = id(course)) AS phases, " +
"title(course) AS title, hyperlink(course) AS hyperlink, id(course) AS id, urn(course) AS urn, " +
"title(capability) AS capability_title, id(capability) AS capability_id, " +
"title(category) AS category_title, id(category) AS category_id, " +
"title(competency) AS competency_title, id(competency) AS competency_id " +
"FROM course " +
"LEFT JOIN capability ON id(capability) = capability_id " +
"LEFT JOIN category ON id(category) = category_id " +
"LEFT JOIN competency ON id(competency) = competency_id " +
"LEFT JOIN course_phase ON course_id(course_phase) = id(course) " +
"WHERE " +
"($1 = -1 OR capability_id(course) = $1) AND " +
"($2 = -1 OR category_id(course) = $2) AND " +
"($3 = -1 OR competency_id(course) = $3) AND " +
"($4 = -1 OR phase_id(course_phase) = $4) AND " +
"($5 = '%%' OR (UPPER(title(course)) LIKE UPPER($5))) " +
"ORDER BY id(course)";
const params = [search.filters.capabilityId, search.filters.categoryId,
search.filters.competencyId, search.filters.phaseId, `%${search.keyword}%`];
return db.query(query, params);
};
module.exports = {
insert,
findById,
findByIdJoint,
update,
removeById,
findByFilters,
findByKeyword,
findByFiltersAndKeyword,
findByIdWithFullInfo,
findByFiltersAndKeywordJoint,
};
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