Wrote API calls for history updates

Also switched app pkg mgt to yarn

src/api/routes/request.js

@@ -7,11 +7,45 @@ const router = new Router()
 
 export default function (checkJwt) {
 
-  router.post('/', checkJwt, async (ctx, next) => {
-    ctx.body = await db.request.addNew(ctx.state.user.sub, ctx.request.body.requestText)
-    await next()
-  })
+  router
+    // Add a new request
+    .post('/', checkJwt, async (ctx, next) => {
+      ctx.body = await db.request.addNew(ctx.state.user.sub, ctx.request.body.requestText)
+      await next()
+    })
+    // Add a request history entry (prayed, updated, answered, etc.)
+    .post('/:id/history', checkJwt, async (ctx, next) => {
+      const body = ctx.request.body
+      const result = await db.request.addHistory(ctx.params.id, body.status, body.updateText)
+      ctx.status(('Not Found' === result.text) ? 404 : 204)
+      await next()
+    })
+    // Get a journal-style request by its Id
+    .get('/:id', checkJwt, async (ctx, next) => {
+      const req = await db.request.byId(ctx.state.user.sub, ctx.params.id)
+      if ('Not Found' === req.text) {
+        ctx.status(404)
+      } else {
+        ctx.body = req
+      }
+      await next()
+    })
+    // Get a request, along with its full history
+    .get('/:id/full', checkJwt, async (ctx, next) => {
+      const req = await db.request.fullById(ctx.state.user.sub, ctx.params.id)
+      if ('Not Found' === req.text) {
+        ctx.status(404)
+      } else {
+        ctx.body = req
+      }
+      await next()
+    })
+    // Get the least-recently-updated request (used for the "pray through the journal" feature)
+    .get('/:id/oldest', checkJwt, async (ctx, next) => {
+      ctx.body = await db.request.oldest(ctx.state.user.sub)
+      await next()
+    })
   
+
   return router
 }
-