issue: Move person related functions to (tissue person).

* bin/tissue: Import (tissue person).
* tissue/issue.scm: Import (tissue person).
(%aliases, resolve-alias, index-person!): Move to (tissue person).
* tissue/person.scm: New file.

1 files changed, 48 insertions, 0 deletions

diff --git a/tissue/person.scm b/tissue/person.scm
new file mode 100644
index 0000000..e1c0ae1
--- /dev/null
+++ b/tissue/person.scm
@@ -0,0 +1,48 @@
+;;; tissue --- Text based issue tracker
+;;; Copyright © 2022 Arun Isaac <arunisaac@systemreboot.net>
+;;;
+;;; This file is part of tissue.
+;;;
+;;; tissue is free software: you can redistribute it and/or modify it
+;;; under the terms of the GNU General Public License as published by
+;;; the Free Software Foundation, either version 3 of the License, or
+;;; (at your option) any later version.
+;;;
+;;; tissue is distributed in the hope that it will be useful, but
+;;; WITHOUT ANY WARRANTY; without even the implied warranty of
+;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+;;; General Public License for more details.
+;;;
+;;; You should have received a copy of the GNU General Public License
+;;; along with tissue.  If not, see <https://www.gnu.org/licenses/>.
+
+(define-module (tissue person)
+  #:use-module (srfi srfi-1)
+  #:use-module (srfi srfi-26)
+  #:use-module (ice-9 match)
+  #:use-module (xapian xapian)
+  #:export (%aliases
+            resolve-alias
+            index-person!))
+
+(define %aliases
+  (make-parameter #f))
+
+(define (resolve-alias name aliases)
+  "Resolve NAME against ALIASES, a list of aliases. ALIASES should be
+in the form of the argument of the same name to `tissue-configuration'
+in (tissue tissue). If no alias is found, NAME is returned as such."
+  (cond
+   ((find (cut member name <>)
+          aliases)
+    => (match-lambda
+         ((canonical-name _ ...) canonical-name)
+         (() name)))
+   (else name)))
+
+(define (index-person! term-generator name prefix)
+  "Index all aliases of person of canonical NAME using TERM-GENERATOR
+with PREFIX."
+  (for-each (cut index-text! term-generator <> #:prefix prefix)
+            (or (assoc name (%aliases))
+                (list))))