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[rbdr/blog] / doc / specs / 20200601-serving-different-versions.md

diff --git a/doc/specs/20200601-serving-different-versions.md b/doc/specs/20200601-serving-different-versions.md
index 351cc8cbe13d85ecb0b11e3a6da59c655b66f72b..9eb1bd8b76e68be6ca372dd72907067bd272a7bf 100644 (file)
--- a/doc/specs/20200601-serving-different-versions.md
+++ b/doc/specs/20200601-serving-different-versions.md
@@ -73,8 +73,9 @@ Given I add a new entry to the blog, the entries will be updated.
 
 # Solution Proposal
 
 
 # Solution Proposal
 

-(Note: This solution is incomplete. We need to add guid and pubDate
-generation, as this is required for the RSS to be usable)
+We will add a new step in the creation process to create metadata for the
+post that will allow each post to be uniquely identified, as well as
+having a publish date related to them.

 
 We will split the current generator function into generators, and create
 a new generator that will generate an RSS 2.0 file
 
 We will split the current generator function into generators, and create
 a new generator that will generate an RSS 2.0 file


@@ -82,30 +83,56 @@ a new generator that will generate an RSS 2.0 file
 # Blackbox
 
 ```
 # Blackbox
 
 ```

-                      ┌─────────────────┐           ┌───────────────┐
-                      │                 │           │               │
-               ┌─────▶│ StaticGenerator │──────────▶│ Static Assets │
-               │      │                 │           │               │
-               │      └─────────────────┘           └───────────────┘
-┌───────┐      │      ┌───────────────┐             ┌───────────┐
-│       │      │      │               │             │           │
-│ Blog  │──────┼─────▶│ HTMLGenerator │────────────▶│ HTML File │
-│       │      │      │               │             │           │
-└───────┘      │      └───────────────┘             └───────────┘
-               │      ┌──────────────┐              ┌──────────┐
-               │      │              │              │          │
-               └─────▶│ RSSGenerator │─────────────▶│ RSS File │
-                      │              │              │          │
-                      └──────────────┘              └──────────┘
+                   ╔══════════════════════╗
+                   ║  When Adding a Post  ║
+                   ╚══════════════════════╝
+                      ┌───────────────┐          ┌───────────────┐
+                      │               │          │               │
+    ┌────────────────▶│ writeMetadata │─────────▶│ Metadata File │
+    │                 │               │          │               │
+    │                 └───────────────┘          └───────────────┘
+    │
+    │
+    │             ╔════════════════════════╗
+    │             ║ When Generating Output ║
+    │             ╚════════════════════════╝
+    │                 ┌─────────────────┐        ┌───────────────┐
+    │                 │                 │        │               │
+    │          ┌─────▶│ StaticGenerator │───────▶│ Static Assets │
+    │          │      │                 │        │               │
+    │          │      └─────────────────┘        └───────────────┘
+┌───────┐      │      ┌───────────────┐          ┌───────────┐
+│       │      │      │               │          │           │
+│ Blog  │──────┼─────▶│ HTMLGenerator │─────────▶│ HTML File │
+│       │      │      │               │          │           │
+└───────┘      │      └───────────────┘          └───────────┘
+               │      ┌──────────────┐           ┌──────────┐
+               │      │              │           │          │
+               └─────▶│ RSSGenerator │──────────▶│ RSS File │
+                      │              │           │          │
+                      └──────────────┘           └──────────┘

 ```
 
 # Theory of Operation
 
 ```
 
 # Theory of Operation
 

-When the generate function of the blog is triggered, it will iterate over
-a list of generator functions and call them with the source and target
-directories, and an array containing the parsed markdown from the post.
-Each generator function will do its work, throwing an exception if they
-encounter an error.
+## When Adding a Post
+
+When the add function of the blog is triggered, it will shift the posts
+as it currently does and then will generate a new unique ID and take the
+current timestamp. This will be saved in a JSON file in the output
+directory called "metadata.json"
+
+## When Generating Output
+
+When the generate function of the blog is triggered, it will iterate
+over every post. For each of them it will parse the markdown content,
+and the metadata, creating an object of type `tPost` and pushing it
+to an array.
+
+Next, it will iterate from a list of generator functions and call them
+with the source and target directories, and an array containing the `tPost`
+objects. Each generator function will do its work, throwing an exception
+if they encounter an error.

 
 When the static generator is called, it will remove the current assets
 directory in the target directory, and recursively copy the assets from
 
 When the static generator is called, it will remove the current assets
 directory in the target directory, and recursively copy the assets from


@@ -121,6 +148,22 @@ directory.
 
 # Technical Specification
 
 
 # Technical Specification
 

+## The Post Data Structure
+
+This spec introduces a data structure to help generate output.
+
+```
+tPost <Object>
+  +html <String> // The markup of the post
+  +publishedOn <Number> // The timestamp when this post was added
+  +id <String> // The Unique ID for this post
+```
+
+Given that posts won't come in at a high enough rate, and that the
+purpouse is only to help feed readers identify each unique piece of
+content, for this version the `id` will be the same number as the
+`publishedOn`.
+

 ## The Generator Interface
 
 Every generator must implement this interface in order to work with
 ## The Generator Interface
 
 Every generator must implement this interface in order to work with