Fix back linking to actually show links on pages

6 files changed, 88 insertions, 59 deletions

diff --git a/html/notes/digital_garden.html b/html/notes/digital_garden.html
index 8e8ef53..12f1a47 100644
--- a/html/notes/digital_garden.html
+++ b/html/notes/digital_garden.html
@@ -34,7 +34,7 @@
                     </div>
                 <div class="page-info-date-container">
             <p class="page-info-date">Published: 2022-10-30</p>
-            <p class="page-info-date">Last Edited: 2022-11-01</p>
+            <p class="page-info-date">Last Edited: 2023-01-17</p>
         </div>
     </div>
     </div>
@@ -42,7 +42,10 @@
 <div class="main-container">
     <div class="note-body">
 <p>After reading Maggie Appleton page on <a href="https://maggieappleton.com/garden-history">digital gardens</a> I was inspired to convert my own website into a digital garden.</p>
-<p>I have many half baked ideas that a never finish. Some of them get to a published state like <a href="rasterizing-triangles"></a> and <a href="baremetal-risc-v"></a>, but many of them never make it to the published state. The idea of digital garden seems very appealing to me, as it encourages you to post on a topic even if you haven’t made it “publishable” yet.</p>
+<p>I have many half baked ideas that I seem to be able to finish. Some of them get to a published state like <a href="/notes/rasterizing-triangles.html">Rasterizing Triangles</a> and <a href="/notes/baremetal-risc-v.html">Baremetal RISC-V</a>, but many of them never make it to the published state. The idea of digital garden seems very appealing to me, as it encourages you to post on a topic even if you haven’t made it “publishable” yet.</p>
+<h2 id="how-this-site-works">How this site works</h2>
+<p>I wanted a bit of challenge when putting together this website as I don’t do a lot of web development in my day to day life, so I thought it would be a good way to learn more things. This site has been entirely built from scratch using a custom static site generator I setup with pandoc. It relies on pandoc’s filters to implement some of the classic “Digital Garden” features like back linking. The back linking feature has not been totally developed yet and right now it just provides with a convenient way to link to other notes or pages on this site.</p>
+<p>I hope to develop this section more and explain how I got various features in pandoc to work as a static site generator.</p>
     </div>
 </div>    </main>
 </body>
diff --git a/notes/digital_garden.md b/notes/digital_garden.md
index 70e8762..8e77718 100644
--- a/notes/digital_garden.md
+++ b/notes/digital_garden.md
@@ -1,14 +1,25 @@
 ---
 title: "Digital Garden"
 date: "2022-10-30"
-last_edit: "2022-11-01"
+last_edit: "2023-01-17"
 status: 1
 ---
 
 After reading Maggie Appleton page on [digital gardens](https://maggieappleton.com/garden-history) I was 
 inspired to convert my own website into a digital garden.
 
-I have many half baked ideas that a never finish. Some of them get to a published state like 
+I have many half baked ideas that I seem to be able to finish. Some of them get to a published state like 
 [](rasterizing-triangles) and [](baremetal-risc-v), but many of them never make it to the published state. The
 idea of digital garden seems very appealing to me, as it encourages you to post on a topic even if you haven't
 made it "publishable" yet.
+
+## How this site works
+
+I wanted a bit of challenge when putting together this website as I don't do a lot of web development in my
+day to day life, so I thought it would be a good way to learn more things. This site has been entirely built
+from scratch using a custom static site generator I setup with pandoc. It relies on pandoc's filters to implement
+some of the classic "Digital Garden" features like back linking. The back linking feature has not been totally
+developed yet and right now it just provides with a convenient way to link to other notes or pages on this site.
+
+I hope to develop this section more and explain how I got various features in pandoc to work as a static site
+generator.
diff --git a/tools/front_page.lua b/tools/front_page.lua
index 74731d8..9557a53 100644
--- a/tools/front_page.lua
+++ b/tools/front_page.lua
@@ -1,3 +1,4 @@
+local meta_tools = require("tools/meta_tools")
 
 local function load_notes(note_list)
     local notes = {}
@@ -7,24 +8,6 @@ local function load_notes(note_list)
     return notes
 end
 
-local function get_note(note_name)
-    local file = io.open(string.format("build/%s.meta", note_name), "r")
-    local note = {}
-
-    for line in file:lines() do
-        local sep = string.find(line, ",")
-        local index = string.sub(line, 1, sep-1)
-        local content = string.sub(line, sep+1, -1)
-
-        note[index] = content
-    end
-
-    note["note_name"] = note_name
-
-    file:close()
-    return note
-end
-
 local function compare_note_dates(a, b)
     return a.last_edit > b.last_edit
 end
@@ -36,7 +19,7 @@ function Pandoc(doc)
     local notes = {}
     local note_names = load_notes(doc.meta["note_list"])
     for index, note in ipairs(note_names) do
-        table.insert(notes, get_note(note))
+        table.insert(notes, meta_tools.get_note(note))
     end
 
     table.sort(notes, compare_note_dates)
diff --git a/tools/link_gen.lua b/tools/link_gen.lua
index d23b923..fb53b53 100644
--- a/tools/link_gen.lua
+++ b/tools/link_gen.lua
@@ -1,5 +1,6 @@
 local pipe = pandoc.pipe
 local stringify = (require 'pandoc.utils').stringify
+local meta_tools = require("tools/meta_tools")
 
 local meta = PANDOC_DOCUMENT.meta
 local preview = ""
@@ -14,38 +15,6 @@ local function append_str(buf, s)
     return buf
 end
 
-local function file_exists(name)
-  local f = io.open(name, 'r')
-  if f ~= nil then
-    io.close(f)
-    return true
-  else
-    return false
-  end
-end
-
-local function read_link_file(name)
-    local f = io.open(name, 'r')
-    if f ~= nil then
-        local output = {}
-        for line in f:lines() do
-            table.insert(output, line)
-        end
-        f:close()
-        return output
-    else
-        return {}
-    end
-end
-
-local function write_link_file(name, links)
-    local f = io.open(name, 'w')
-    for i,v in ipairs(links) do
-        f:write(string.format("%s\n", v))
-    end
-    f:close()
-end
-
 local function item_in_table(table, item)
     local inside = false
     for i,v in ipairs(table) do
@@ -78,13 +47,13 @@ function Doc(body, metadata, variables)
         local link_file = "./build/" .. v .. ".links"
 
         -- check if markdown version of the file exists
-        if file_exists(markdown_file) then
-            links = read_link_file(link_file) 
+        if meta_tools.file_exists(markdown_file) then
+            links = meta_tools.read_link_file(link_file) 
             if not item_in_table(links, input_file) then
                 table.insert(links, input_file)
             end
 
-            write_link_file(link_file, links)
+            meta_tools.write_link_file(link_file, links)
         else
             io.stderr:write(string.format("Linking to non-existant file '%s'\n", v))
         end
diff --git a/tools/meta_tools.lua b/tools/meta_tools.lua
new file mode 100644
index 0000000..006e156
--- /dev/null
+++ b/tools/meta_tools.lua
@@ -0,0 +1,53 @@
+local meta_tools = {}
+
+function meta_tools.file_exists(name)
+  local f = io.open(name, 'r')
+  if f ~= nil then
+    io.close(f)
+    return true
+  else
+    return false
+  end
+end
+
+function meta_tools.read_link_file(name)
+    local f = io.open(name, 'r')
+    if f ~= nil then
+        local output = {}
+        for line in f:lines() do
+            table.insert(output, line)
+        end
+        f:close()
+        return output
+    else
+        return {}
+    end
+end
+
+function meta_tools.write_link_file(name, links)
+    local f = io.open(name, 'w')
+    for i,v in ipairs(links) do
+        f:write(string.format("%s\n", v))
+    end
+    f:close()
+end
+
+function meta_tools.get_note(note_name)
+    local file = io.open(string.format("build/%s.meta", note_name), "r")
+    local note = {}
+
+    for line in file:lines() do
+        local sep = string.find(line, ",")
+        local index = string.sub(line, 1, sep-1)
+        local content = string.sub(line, sep+1, -1)
+
+        note[index] = content
+    end
+
+    note["note_name"] = note_name
+
+    file:close()
+    return note
+end
+
+return meta_tools
diff --git a/tools/note.lua b/tools/note.lua
index 0d3aff3..16acbc8 100644
--- a/tools/note.lua
+++ b/tools/note.lua
@@ -1,6 +1,16 @@
 local stringify = (require 'pandoc.utils').stringify
+local meta_tools = require("tools/meta_tools")
 
-local status_map = {"seadling", "budding", "evergreen"}
+local status_map = {"seedling", "budding", "evergreen"}
+
+function Link(link)
+    if not string.find(link.target, "://") then
+        local note = meta_tools.get_note(link.target)
+        return {pandoc.Link(note["title"], "/notes/"..link.target..".html")}
+    else
+        return link  
+    end
+end
 
 function Pandoc(doc)
     doc.meta["main_class"] = "html-note-page"