From 70bc687e3fec738dbbfb632cb2be22cd5802b891 Mon Sep 17 00:00:00 2001
From: Bryan Newbold <bnewbold@robocracy.org>
Date: Mon, 14 Jan 2019 19:03:57 -0800
Subject: add interstitial JSON serde model to citation internment

---
 rust/src/database_models.rs | 92 ++++++++++++++++++++++++++++++++++++++++-----
 rust/src/entity_crud.rs     |  9 +++--
 2 files changed, 87 insertions(+), 14 deletions(-)

(limited to 'rust/src')

diff --git a/rust/src/database_models.rs b/rust/src/database_models.rs
index 47fd062d..b76b469a 100644
--- a/rust/src/database_models.rs
+++ b/rust/src/database_models.rs
@@ -4,7 +4,7 @@ use crate::database_schema::*;
 use crate::errors::*;
 use crate::identifiers::uuid2fcid;
 use chrono;
-use fatcat_api_spec::models::{ChangelogEntry, Editgroup, EditgroupAnnotation, Editor, EntityEdit};
+use fatcat_api_spec::models::{ChangelogEntry, Editgroup, EditgroupAnnotation, Editor, EntityEdit, ReleaseRef};
 use serde_json;
 use uuid::Uuid;
 
@@ -501,15 +501,6 @@ pub struct ReleaseRefRow {
     pub target_release_ident_id: Uuid,
 }
 
-/* These fields now interned in JSON blob
-    pub key: Option<String>,
-    pub extra_json: Option<serde_json::Value>,
-    pub container_name: Option<String>,
-    pub year: Option<i32>,
-    pub title: Option<String>,
-    pub locator: Option<String>,
-*/
-
 #[derive(Debug, Queryable, Insertable, Associations, AsChangeset)]
 #[table_name = "refs_blob"]
 pub struct RefsBlobRow {
@@ -517,6 +508,87 @@ pub struct RefsBlobRow {
     pub refs_json: serde_json::Value,
 }
 
+#[derive(Debug, Clone, PartialEq, Serialize, Deserialize)]
+/// This model is a stable representation of what goes in a RefsBlobRow `refs_json` field (an array
+/// of this model). We could rely on the `ReleaseRef` API spec model directly, but that would lock
+/// the database contents to the API spec rigidly; by defining this struct independently, we can
+/// migrate the schemas. To start, this is a direct copy of the `ReleaseRef` model.
+pub struct RefsBlobJson {
+    #[serde(rename = "index")]
+    #[serde(skip_serializing_if = "Option::is_none")]
+    pub index: Option<i64>,
+
+    /// base32-encoded unique identifier
+    #[serde(rename = "target_release_id")]
+    #[serde(skip_serializing_if = "Option::is_none")]
+    pub target_release_id: Option<String>,
+
+    #[serde(rename = "extra")]
+    #[serde(skip_serializing_if = "Option::is_none")]
+    pub extra: Option<serde_json::Value>,
+
+    #[serde(rename = "key")]
+    #[serde(skip_serializing_if = "Option::is_none")]
+    pub key: Option<String>,
+
+    #[serde(rename = "year")]
+    #[serde(skip_serializing_if = "Option::is_none")]
+    pub year: Option<i64>,
+
+    #[serde(rename = "container_name")]
+    #[serde(skip_serializing_if = "Option::is_none")]
+    pub container_name: Option<String>,
+
+    #[serde(rename = "title")]
+    #[serde(skip_serializing_if = "Option::is_none")]
+    pub title: Option<String>,
+
+    #[serde(rename = "locator")]
+    #[serde(skip_serializing_if = "Option::is_none")]
+    pub locator: Option<String>,
+}
+
+impl RefsBlobJson {
+    pub fn into_model(self) -> ReleaseRef {
+        ReleaseRef {
+            index: self.index,
+            target_release_id: self.target_release_id,
+            extra: self.extra,
+            key: self.key,
+            year: self.year,
+            container_name: self.container_name,
+            title: self.title,
+            locator: self.locator,
+        }
+    }
+
+    pub fn to_model(&self) -> ReleaseRef {
+        ReleaseRef {
+            index: self.index,
+            target_release_id: self.target_release_id.clone(),
+            extra: self.extra.clone(),
+            key: self.key.clone(),
+            year: self.year,
+            container_name: self.container_name.clone(),
+            title: self.title.clone(),
+            locator: self.locator.clone(),
+        }
+    }
+
+    pub fn from_model(model: &ReleaseRef) -> RefsBlobJson {
+        RefsBlobJson {
+            index: model.index,
+            target_release_id: model.target_release_id.clone(),
+            extra: model.extra.clone(),
+            key: model.key.clone(),
+            year: model.year,
+            container_name: model.container_name.clone(),
+            title: model.title.clone(),
+            locator: model.locator.clone(),
+        }
+    }
+}
+
 #[derive(Debug, Queryable, Insertable, Associations, AsChangeset)]
 #[table_name = "file_rev_release"]
 pub struct FileRevReleaseRow {
diff --git a/rust/src/entity_crud.rs b/rust/src/entity_crud.rs
index 1147e117..09ce9542 100644
--- a/rust/src/entity_crud.rs
+++ b/rust/src/entity_crud.rs
@@ -1819,7 +1819,8 @@ impl EntityCrud for ReleaseEntity {
                 let refs_blob: RefsBlobRow = refs_blob::table
                     .find(sha1) // checked in match
                     .get_result(conn)?;
-                let mut refs: Vec<ReleaseRef> = serde_json::from_value(refs_blob.refs_json)?;
+                let refs: Vec<RefsBlobJson> = serde_json::from_value(refs_blob.refs_json)?;
+                let mut refs: Vec<ReleaseRef> = refs.into_iter().map(|j| j.into_model()).collect();
                 let ref_rows: Vec<ReleaseRefRow> = release_ref::table
                     .filter(release_ref::release_rev.eq(rev_row.id))
                     .order(release_ref::index_val.asc())
@@ -1967,10 +1968,10 @@ impl EntityCrud for ReleaseEntity {
                     }
                     // Have to strip out target refs and indexes, or hashing won't work well when
                     // these change
-                    let ref_list: Vec<ReleaseRef> = ref_list
+                    let ref_list: Vec<RefsBlobJson> = ref_list
                         .iter()
-                        .map(|r| {
-                            let mut r = r.clone();
+                        .map(|r: &ReleaseRef| {
+                            let mut r = RefsBlobJson::from_model(r);
                             r.target_release_id = None;
                             r.index = None;
                             r
-- 
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