rework template load/generation + add generic error on template error

services/book_store.go

@@ -29,14 +29,41 @@ type IStore interface {
 
 var _ IStore = (*BookStore)(nil)
 
-//go:embed sql/create_books_table.sql
-var sqlCreateTable string
-
-//go:embed sql/insert_book.sql
-var sqlInsertBook string
-
-//go:embed sql/search_books.sql
-var sqlSearchBooks string
+const (
+	sqlSearchBooks = `
+	select 
+		b.*
+	from 
+		books b
+	where
+		lower(b.name) like lower(?)
+		or lower(b.description) like lower(?) 
+		or lower(b.editor) like lower(?)
+		or lower(b.year) like lower(?)
+	union
+	select
+		b2.*
+	from books b2, json_each(b2.authors) 
+	where lower(json_each.value) like lower(?)
+	union
+	select
+		b3.*
+	from books b3, json_each(b3.keywords) 
+	where lower(json_each.value) like lower(?)
+`
+	sqlInsertBook      = "insert into books(name, description, editor, authors, year, keywords, path) values (?,?,?,?,?,?,?)"
+	sqlCreateBookTable = `
+	create table if not exists books (
+		name text primary key,
+		description text,
+		editor text not null,
+		authors jsonb not null,
+		year int not null,
+		keywords jsonb,
+		path text not null 
+	)
+	`
+)
 
 type BookMetadata struct {
 	Name        string
@@ -45,7 +72,7 @@ type BookMetadata struct {
 	Authors     []string
 	Year        uint16
 	Keywords    []string
-	Path        string
+	path        string
 }
 
 func (bm *BookMetadata) getAuthors() (string, error) {
@@ -98,10 +125,14 @@ func (bm *BookMetadata) intoStmtValues() ([]any, error) {
 		authors,
 		bm.Year,
 		keywords,
-		bm.Path,
+		bm.path,
 	}, nil
 }
 
+func (bm *BookMetadata) GetPath() string {
+	return bm.path
+}
+
 type BookStore struct {
 	processing *sync.WaitGroup
 	dir        string
@@ -128,7 +159,7 @@ func (bs *BookStore) init(dir string) {
 		log.Fatal().Err(err).Msg("unable initialize sqlite3 database")
 	}
 
-	if _, err := db.Exec(sqlCreateTable); err != nil {
+	if _, err := db.Exec(sqlCreateBookTable); err != nil {
 		log.Fatal().Err(err).Msg("unable to create books table")
 	}
 
@@ -179,9 +210,9 @@ func (bs *BookStore) Save(bm *BookMetadata, content io.ReadCloser) error {
 
 	defer content.Close()
 
-	bm.Path = filepath.Join(bs.dir, bm.getFormattedName())
+	bm.path = filepath.Join(bs.dir, bm.getFormattedName())
 
-	dst, err := os.Create(bm.Path)
+	dst, err := os.Create(bm.path)
 	if err != nil {
 		log.Err(err).Msg(ErrFileCreation.Error())
 		return ErrFileCreation
@@ -220,13 +251,14 @@ func (bs *BookStore) Search(value string) ([]BookMetadata, error) {
 		var bm BookMetadata
 		var authors string
 		var keyword *string
-		if err := rows.Scan(&bm.Name, &bm.Description, &bm.Editor, &authors, &bm.Year, &keyword, &bm.Path); err != nil {
+		if err := rows.Scan(&bm.Name, &bm.Description, &bm.Editor, &authors, &bm.Year, &keyword, &bm.path); err != nil {
 			log.Err(err).Msg("unable to scan row")
 			return nil, err
 		}
 
 		var authorsSlice []string
 		if err := json.Unmarshal([]byte(authors), &authorsSlice); err != nil {
+			log.Err(err).Msg("unable to unmarshal authors into slice")
 			return nil, err
 		}
 		bm.Authors = authorsSlice

services/sql/create_books_table.sql

@@ -1,9 +0,0 @@
-create table if not exists books (
-    name text primary key,
-    description text,
-    editor text not null,
-    authors jsonb not null,
-    year int not null,
-    keywords jsonb,
-    path text not null 
-)

services/sql/insert_book.sql

@@ -1,2 +0,0 @@
-insert into books(name, description, editor, authors, year, keywords, path) 
-values (?,?,?,?,?,?,?)

services/sql/search_books.sql

@@ -1,20 +0,0 @@
-select 
-	b.*
-from 
-	books b
-where
-	lower(b.name) like lower(?)
-	or lower(b.description) like lower(?) 
-	or lower(b.editor) like lower(?)
-	or lower(b.year) like lower(?)
-union
-select
-	b2.*
-from books b2, json_each(b2.authors) 
-where lower(json_each.value) like lower(?)
-union
-select
-	b3.*
-from books b3, json_each(b3.keywords) 
-where lower(json_each.value) like lower(?)
-