commit 23efa07dc51835303fd15dedfb4fe939d25caaab
Author: Kyle Isom <kyle@imap.cc>
Date:   Sat Mar 12 20:46:04 2022 -0800

    Initial import.

diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..50db32e
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1 @@
+kls.conf
\ No newline at end of file
diff --git a/go.mod b/go.mod
new file mode 100644
index 0000000..a1dae08
--- /dev/null
+++ b/go.mod
@@ -0,0 +1,3 @@
+module git.wntrmute.dev/kyle/kls
+
+go 1.17
diff --git a/links/alphabet.go b/links/alphabet.go
new file mode 100644
index 0000000..6277d8c
--- /dev/null
+++ b/links/alphabet.go
@@ -0,0 +1,30 @@
+package links
+
+import (
+	"crypto/rand"
+	"math/big"
+)
+
+const codeLength = 5
+
+var (
+	alphabet       = "ABCDEFGHJKMNPQRSTUVWXYZ23456789"
+	alphabetLength = big.NewInt(int64(len(alphabet)))
+)
+
+func randInt() int {
+	p, err := rand.Int(rand.Reader, alphabetLength)
+	if err != nil {
+		panic(err.Error())
+	}
+
+	return int(p.Int64())
+}
+
+func GenCode() string {
+	var code []byte
+	for i := 0; i < codeLength; i++ {
+		code = append(code, alphabet[randInt()])
+	}
+	return string(code)
+}
diff --git a/schema.sql b/schema.sql
new file mode 100644
index 0000000..a4b3476
--- /dev/null
+++ b/schema.sql
@@ -0,0 +1,7 @@
+CREATE TABLE urls (
+        id              UUID PRIMARY KEY DEFAULT gen_random_uuid(),
+	url		TEXT NOT NULL,
+	nurl		TEXT NOT NULL, -- normalized url
+	short		TEXT NOT NULL UNIQUE,
+	created_at	TIMESTAMPTZ NOT NULL DEFAULT
+);