From d46f3aed2cdde0693124014476a7ba5f9251dd86 Mon Sep 17 00:00:00 2001
From: Bastian Wagner <bastian@baswag.de>
Date: Fri, 5 Apr 2024 22:30:30 +0200
Subject: [PATCH] feat: add identifiers to document

---
 frontend/document/credocument.lua                 | 1 +
 frontend/document/document.lua                    | 2 ++
 plugins/coverbrowser.koplugin/bookinfomanager.lua | 2 ++
 3 files changed, 5 insertions(+)

diff --git a/frontend/document/credocument.lua b/frontend/document/credocument.lua
index 2748b5a68..25b057ca7 100644
--- a/frontend/document/credocument.lua
+++ b/frontend/document/credocument.lua
@@ -38,6 +38,7 @@ local CreDocument = Document:extend{
         authors      = "doc.authors",
         series       = "doc.series.name",
         series_index = "doc.series.number",
+        identifiers  = "doc.identifiers",
     },
 
     -- Reasons for the fallback font ordering:
diff --git a/frontend/document/document.lua b/frontend/document/document.lua
index 269cfe59a..d6f35d28d 100644
--- a/frontend/document/document.lua
+++ b/frontend/document/document.lua
@@ -201,6 +201,7 @@ function Document:getProps(cached_doc_metadata)
     local language = makeNilIfEmpty(props.language or props.Language)
     local keywords = makeNilIfEmpty(props.keywords or props.Keywords)
     local description = makeNilIfEmpty(props.description or props.Description or props.subject)
+    local identifiers = makeNilIfEmpty(props.identifiers)
     return {
         title        = title,
         authors      = authors,
@@ -209,6 +210,7 @@ function Document:getProps(cached_doc_metadata)
         language     = language,
         keywords     = keywords,
         description  = description,
+        identifiers  = identifiers
     }
 end
 
diff --git a/plugins/coverbrowser.koplugin/bookinfomanager.lua b/plugins/coverbrowser.koplugin/bookinfomanager.lua
index 35bf25c75..f907f3163 100644
--- a/plugins/coverbrowser.koplugin/bookinfomanager.lua
+++ b/plugins/coverbrowser.koplugin/bookinfomanager.lua
@@ -57,6 +57,7 @@ local BOOKINFO_DB_SCHEMA = [[
         language            TEXT,
         keywords            TEXT,
         description         TEXT,
+        identifiers         TEXT,
 
         -- Cover image
         cover_w             INTEGER,  -- blitbuffer width
@@ -100,6 +101,7 @@ local BOOKINFO_COLS_SET = {
         "cover_bb_type",
         "cover_bb_stride",
         "cover_bb_data",
+        "identifiers"
     }
 
 local bookinfo_values_sql = {} -- for "VALUES (?, ?, ?,...)" insert sql part