From 4dade55387515e3ed153a5901672abdfb7f3654f Mon Sep 17 00:00:00 2001
From: Přemysl Janouch <p@janouch.name>
Date: Sun, 14 Apr 2019 20:29:18 +0200
Subject: sklad: implement search

---
 sklad/db.go       | 48 +++++++++++++++++++++++++++++++++++++++++++++---
 sklad/main.go     | 15 +++++++++------
 sklad/search.tmpl | 38 ++++++++++++++++++++++++++++++++++++++
 3 files changed, 92 insertions(+), 9 deletions(-)
 create mode 100644 sklad/search.tmpl

diff --git a/sklad/db.go b/sklad/db.go
index 300c1bd..aae695f 100644
--- a/sklad/db.go
+++ b/sklad/db.go
@@ -5,6 +5,7 @@ import (
 	"errors"
 	"fmt"
 	"os"
+	"strings"
 	"time"
 )
 
@@ -27,10 +28,19 @@ func (c *Container) Id() ContainerId {
 }
 
 func (c *Container) Children() []*Container {
-	// TODO: Sort this by Id, or maybe even return a map[string]*Container.
+	// TODO: Sort this by Id, or maybe even return a map[string]*Container,
+	// text/template would sort that automatically.
 	return indexChildren[c.Id()]
 }
 
+func (c *Container) Path() (result []ContainerId) {
+	for c != nil && c.Parent != "" {
+		c = indexContainer[c.Parent]
+		result = append(result, c.Id())
+	}
+	return
+}
+
 type Database struct {
 	Password   string       // password for web users
 	Prefix     string       // prefix for all container IDs
@@ -52,9 +62,41 @@ var (
 // TODO: Some functions to add, remove and change things in the database.
 // Indexes must be kept valid, just like any invariants.
 
-// TODO: A function for fulltext search in series (1. Prefix, 2. Description).
+func dbSearchSeries(query string) (result []*Series) {
+	query = strings.ToLower(query)
+	added := map[string]bool{}
+	for _, s := range db.Series {
+		if query == strings.ToLower(s.Prefix) {
+			result = append(result, s)
+			added[s.Prefix] = true
+		}
+	}
+	for _, s := range db.Series {
+		if strings.Contains(
+			strings.ToLower(s.Description), query) && !added[s.Prefix] {
+			result = append(result, s)
+		}
+	}
+	return
+}
 
-// TODO: A function for fulltext search in containers (1. Id, 2. Description).
+func dbSearchContainers(query string) (result []*Container) {
+	query = strings.ToLower(query)
+	added := map[ContainerId]bool{}
+	for id, c := range indexContainer {
+		if query == strings.ToLower(string(id)) {
+			result = append(result, c)
+			added[id] = true
+		}
+	}
+	for id, c := range indexContainer {
+		if strings.Contains(
+			strings.ToLower(c.Description), query) && !added[id] {
+			result = append(result, c)
+		}
+	}
+	return
+}
 
 func dbCommit() error {
 	// Write a timestamp.
diff --git a/sklad/main.go b/sklad/main.go
index 1a9442a..9df1fd5 100644
--- a/sklad/main.go
+++ b/sklad/main.go
@@ -157,12 +157,15 @@ func handleSearch(w http.ResponseWriter, r *http.Request) {
 	}
 
 	query := r.FormValue("q")
-	_ = query
-
-	// TODO: Query the database for exact matches and fulltext.
-	//  - Will want to show the full path from the root "" container.
-
-	params := struct{}{}
+	params := struct {
+		Query      string
+		Series     []*Series
+		Containers []*Container
+	}{
+		Query:      query,
+		Series:     dbSearchSeries(query),
+		Containers: dbSearchContainers(query),
+	}
 
 	executeTemplate("search.tmpl", w, &params)
 }
diff --git a/sklad/search.tmpl b/sklad/search.tmpl
new file mode 100644
index 0000000..cf704cf
--- /dev/null
+++ b/sklad/search.tmpl
@@ -0,0 +1,38 @@
+{{ define "Title" }}&bdquo;{{ .Query }}&ldquo; &mdash; Vyhledávání{{ end }}
+{{ define "Content" }}
+
+<h2>Vyhledávání: &bdquo;{{ .Query }}&ldquo;<h2>
+
+<h3>Řady</h3>
+
+{{ range .Series }}
+<section>
+<header>
+	<h3><a href="/series?prefix={{ .Prefix }}">{{ .Prefix }}</a></h3>
+	<p>{{ .Description }}
+</header>
+</section>
+{{ else }}
+<p>Neodpovídají žádné řady.
+{{ end }}
+
+<h3>Obaly</h3>
+
+{{ range .Containers }}
+<section>
+<header>
+	<h3><a href="/?id={{ .Id }}">{{ .Id }}</a>
+{{ range .Path }}
+	<small>&laquo; <a href="/?id={{ . }}">{{ . }}</a></small>
+{{ end }}
+	</h3>
+</header>
+{{ if .Description }}
+<p>{{ .Description }}
+{{ end }}
+</section>
+{{ else }}
+<p>Neodpovídají žádné obaly.
+{{ end }}
+
+{{ end }}
-- 
cgit v1.2.3-70-g09d2