From 7ee9e001bc908aa6a934751bdef5081977d034db Mon Sep 17 00:00:00 2001
From: Bryan Newbold <bnewbold@robocracy.org>
Date: Wed, 23 May 2018 19:02:53 -0700
Subject: add state param generation

---
 rust/src/api_server.rs      | 18 +++++++++---------
 rust/src/database_models.rs | 37 +++++++++++++++++++++++++++++++++++++
 2 files changed, 46 insertions(+), 9 deletions(-)

diff --git a/rust/src/api_server.rs b/rust/src/api_server.rs
index 3b052a6c..18a3ff32 100644
--- a/rust/src/api_server.rs
+++ b/rust/src/api_server.rs
@@ -96,7 +96,7 @@ impl Server {
             issn: rev.issn,
             publisher: rev.publisher,
             name: rev.name,
-            state: None, // TODO:
+            state: Some(ident.state().unwrap().shortname()),
             ident: Some(ident.id.to_string()),
             revision: ident.rev_id.map(|v| v as isize),
             redirect: ident.redirect_id.map(|u| u.to_string()),
@@ -126,7 +126,7 @@ impl Server {
             issn: rev.issn,
             publisher: rev.publisher,
             name: rev.name,
-            state: None, // TODO:
+            state: Some(ident.state().unwrap().shortname()),
             ident: Some(ident.id.to_string()),
             revision: ident.rev_id.map(|v| v as isize),
             redirect: ident.redirect_id.map(|u| u.to_string()),
@@ -153,7 +153,7 @@ impl Server {
         let entity = CreatorEntity {
             name: rev.name,
             orcid: rev.orcid,
-            state: None, // TODO:
+            state: Some(ident.state().unwrap().shortname()),
             ident: Some(ident.id.to_string()),
             revision: ident.rev_id.map(|v| v as isize),
             redirect: ident.redirect_id.map(|u| u.to_string()),
@@ -181,7 +181,7 @@ impl Server {
         let entity = CreatorEntity {
             name: rev.name,
             orcid: rev.orcid,
-            state: None, // TODO:
+            state: Some(ident.state().unwrap().shortname()),
             ident: Some(ident.id.to_string()),
             revision: ident.rev_id.map(|v| v as isize),
             redirect: ident.redirect_id.map(|u| u.to_string()),
@@ -209,7 +209,7 @@ impl Server {
             sha1: rev.sha1,
             size: rev.size.map(|v| v as isize),
             url: rev.url,
-            state: None, // TODO:
+            state: Some(ident.state().unwrap().shortname()),
             ident: Some(ident.id.to_string()),
             revision: ident.rev_id.map(|v| v as isize),
             redirect: ident.redirect_id.map(|u| u.to_string()),
@@ -238,7 +238,7 @@ impl Server {
             sha1: rev.sha1,
             size: rev.size.map(|v| v as isize),
             url: rev.url,
-            state: None, // TODO:
+            state: Some(ident.state().unwrap().shortname()),
             ident: Some(ident.id.to_string()),
             revision: ident.rev_id.map(|v| v as isize),
             redirect: ident.redirect_id.map(|u| u.to_string()),
@@ -264,7 +264,7 @@ impl Server {
 
         let entity = WorkEntity {
             work_type: rev.work_type,
-            state: None, // TODO:
+            state: Some(ident.state().unwrap().shortname()),
             ident: Some(ident.id.to_string()),
             revision: ident.rev_id.map(|v| v as isize),
             redirect: ident.redirect_id.map(|u| u.to_string()),
@@ -298,7 +298,7 @@ impl Server {
             issue: rev.issue,
             container_id: None, // TODO
             work_id: rev.work_ident_id.to_string(),
-            state: None, // TODO:
+            state: Some(ident.state().unwrap().shortname()),
             ident: Some(ident.id.to_string()),
             revision: ident.rev_id.map(|v| v as isize),
             redirect: ident.redirect_id.map(|u| u.to_string()),
@@ -333,7 +333,7 @@ impl Server {
             issue: rev.issue,
             container_id: None, // TODO
             work_id: rev.work_ident_id.to_string(),
-            state: None, // TODO:
+            state: Some(ident.state().unwrap().shortname()),
             ident: Some(ident.id.to_string()),
             revision: ident.rev_id.map(|v| v as isize),
             redirect: ident.redirect_id.map(|u| u.to_string()),
diff --git a/rust/src/database_models.rs b/rust/src/database_models.rs
index 9aebb0f9..0e138439 100644
--- a/rust/src/database_models.rs
+++ b/rust/src/database_models.rs
@@ -2,10 +2,33 @@ use chrono;
 //use serde_json;
 use database_schema::*;
 use uuid::Uuid;
+use errors::*;
 
 // Ugh. I thought the whole point was to *not* do this, but:
 // https://github.com/diesel-rs/diesel/issues/1589
 
+pub enum EntityState {
+    WorkInProgress,
+    Active(i64),
+    Redirect(Uuid, i64),
+    Deleted,
+}
+
+impl EntityState {
+    pub fn shortname(&self) -> String {
+        match self {
+            EntityState::WorkInProgress => "wip",
+            EntityState::Active(_) => "active",
+            EntityState::Redirect(_,_) => "redirect",
+            EntityState::Deleted => "deleted",
+        }.to_string()
+    }
+}
+
+pub trait EntityIdentRow {
+    fn state(&self) -> Result<EntityState>;
+}
+
 // Helper for constructing tables
 macro_rules! entity_structs {
     ($edit_table:expr, $edit_struct:ident, $ident_table:expr, $ident_struct:ident) => {
@@ -28,6 +51,20 @@ macro_rules! entity_structs {
             pub rev_id: Option<i64>,
             pub redirect_id: Option<Uuid>,
         }
+
+        impl EntityIdentRow for $ident_struct {
+            fn state(&self) -> Result<EntityState> {
+                if !self.is_live {
+                    return Ok(EntityState::WorkInProgress);
+                }
+                match (self.redirect_id, self.rev_id) {
+                    (None, None) => Ok(EntityState::Deleted),
+                    (Some(redir), Some(rev)) => Ok(EntityState::Redirect(redir, rev)),
+                    (None, Some(rev)) => Ok(EntityState::Active(rev)),
+                    _ => bail!("Invalid EntityIdentRow state")
+                }
+            }
+        }
     };
 }
 
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