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Adding full-text search.

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This commit is contained in:
Maxime Delporte
2025-11-13 18:52:59 +01:00
parent 1b71a1a8ad
commit 0d1062d995
2 changed files with 8 additions and 1 deletions
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2
.idea/dictionaries/project.xml generated
View File

@@ -2,7 +2,9 @@
<dictionary name="project"> <dictionary name="project">
<words> <words>
<w>httprouter</w> <w>httprouter</w>
<w>plainto</w>
<w>servemux</w> <w>servemux</w>
<w>tsvector</w>
</words> </words>
</dictionary> </dictionary>
</component> </component>

7
internal/data/movies.go
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@@ -195,9 +195,14 @@ func (m MovieModel) Delete(id int64) error {
// GetAll : Returns a slice of movies. Although we're not using them right now, we've set this up to accept the various filter parameters as arguments // GetAll : Returns a slice of movies. Although we're not using them right now, we've set this up to accept the various filter parameters as arguments
func (m MovieModel) GetAll(title string, genres []string, filters Filters) ([]*Movie, error) { func (m MovieModel) GetAll(title string, genres []string, filters Filters) ([]*Movie, error) {
// Construct the SQL query to retrieve all movie records. // Construct the SQL query to retrieve all movie records.
// to_tsvector('simple', title) transforms 'The Breakfast Club' into 'breakfast' 'club' 'the'. The 'simple' parameter's value is the configuration.
// plainto_tsquery('simple', $1) takes a search value and turns it into a formatted query term that PostgreSQL full-text search can understand. As an example : "The Club" would result in the query term 'the' & 'club'
// The @@ operator is the matches operator. To continue the example, the query term 'the' & 'club' will match rows which contain both lexemes 'the' and 'club'.
query := ` query := `
SELECT id, created_at, title, year, runtime, genres, version SELECT id, created_at, title, year, runtime, genres, version
FROM movies FROM movies
WHERE (to_tsvector('simple', title) @@ plainto_tsquery('simple', $1) OR $1 = '')
AND (genres @> $2 OR $2 = '{}')
ORDER BY id` ORDER BY id`
// Create a context with a 3-second timeout // Create a context with a 3-second timeout
@@ -205,7 +210,7 @@ func (m MovieModel) GetAll(title string, genres []string, filters Filters) ([]*M
defer cancel() defer cancel()
// Use QueryContext() to execute the query. This returns a sql.Rows resultset containing the result // Use QueryContext() to execute the query. This returns a sql.Rows resultset containing the result
rows, err := m.DB.QueryContext(ctx, query) rows, err := m.DB.QueryContext(ctx, query, title, pq.Array(genres))
if err != nil { if err != nil {
return nil, err return nil, err
} }