1 files changed, 41 insertions, 0 deletions
diff --git a/lookup.go b/lookup.go
new file mode 100644
index 0000000..db72e65
--- /dev/null
+++ b/lookup.go
@@ -0,0 +1,41 @@
+package main
+
+import (
+	"database/sql"
+	"errors"
+	"fmt"
+	"strings"
+
+	tea "github.com/charmbracelet/bubbletea"
+)
+
+func lookupWord(db *sql.DB, word string) tea.Cmd {
+	return func() tea.Msg {
+		word = strings.TrimSpace(word) // remove leading / trailing whitespace
+		// Replace apostrophes (possible if copy-pasting) with single quotes
+		word = strings.ReplaceAll(word, `’`, `'`)
+
+		rows, err := db.Query(`select definition from words where word = ?`, word)
+		if err != nil {
+			if errors.Is(err, sql.ErrNoRows) {
+				return definitionMsg("")
+			}
+			return errMsg(fmt.Errorf("looking up '%s': %s", word, err))
+		}
+		defer rows.Close()
+		var combinedDefinition []string
+		for rows.Next() {
+			var definition string
+			err = rows.Scan(&definition)
+			if err != nil {
+				return errMsg(fmt.Errorf("looking up '%s': %s", word, err))
+			}
+			combinedDefinition = append(combinedDefinition, definition)
+		}
+		if err := rows.Err(); err != nil {
+			return errMsg(fmt.Errorf("looking up '%s': %s", word, err))
+		}
+
+		return definitionMsg(strings.Join(combinedDefinition, "\n\n"))
+	}
+}