Add ability to read reports

Closes #14 (closed)

src/api/__mocks__/reports.js

+const reports = [
+  { created_at: '2019-05-21T21:35:33.000Z', account: { acct: 'benj', display_name: 'Benjamin Fame' }, actor: { acct: 'admin' }, state: 'open', id: '2', content: 'This is a report', statuses: [] },
+  { created_at: '2019-05-20T22:45:33.000Z', account: { acct: 'alice', display_name: 'Alice Pool' }, actor: { acct: 'admin2' }, state: 'resolved', id: '1', content: 'Please block this user', statuses: [] },
+  { created_at: '2019-05-18T13:01:33.000Z', account: { acct: 'nick', display_name: 'Nick Keys' }, actor: { acct: 'admin' }, state: 'closed', id: '3', content: '', statuses: [] },
+  { created_at: '2019-05-21T21:35:33.000Z', account: { acct: 'benj', display_name: 'Benjamin Fame' }, actor: { acct: 'admin' }, state: 'open', id: '5', content: 'This is a report', statuses: [] },
+  { created_at: '2019-05-20T22:45:33.000Z', account: { acct: 'alice', display_name: 'Alice Pool' }, actor: { acct: 'admin2' }, state: 'resolved', id: '7', content: 'Please block this user', statuses: [
+    { account: { display_name: 'Alice Pool', avatar: '' }, visibility: 'public', sensitive: false, id: '11', content: 'Hey!', url: '', created_at: '2019-05-10T21:35:33.000Z' },
+    { account: { display_name: 'Alice Pool', avatar: '' }, visibility: 'unlisted', sensitive: true, id: '10', content: 'Bye!', url: '', created_at: '2019-05-10T21:00:33.000Z' }
+  ] },
+  { created_at: '2019-05-18T13:01:33.000Z', account: { acct: 'nick', display_name: 'Nick Keys' }, actor: { acct: 'admin' }, state: 'closed', id: '6', content: '', statuses: [] },
+  { created_at: '2019-05-18T13:01:33.000Z', account: { acct: 'nick', display_name: 'Nick Keys' }, actor: { acct: 'admin' }, state: 'closed', id: '4', content: '', statuses: [] }
+]
+
+export async function fetchReports(limit, max_id, authHost, token) {
+  const paginatedReports = max_id.length > 0 ? reports.slice(5) : reports.slice(0, 5)
+  return Promise.resolve({ data: { reports: paginatedReports }})
+}
+
+export async function filterReports(filter, limit, max_id, authHost, token) {
+  const filteredReports = reports.filter(report => report.state === filter)
+  const paginatedReports = max_id.length > 0 ? filteredReports.slice(5) : filteredReports.slice(0, 5)
+  return Promise.resolve({ data: { reports: paginatedReports }})
+}
+
+export async function changeState(state, id, authHost, token) {
+  const report = reports.find(report => report.id === id)
+  return Promise.resolve({ data: { ...report, state }})
+}
+
+export async function changeStatusScope(id, sensitive, visibility, authHost, token) {
+  const status = reports[4].statuses[0]
+  return Promise.resolve({ data: { ...status, sensitive, visibility }})
+}
+
+export async function deleteStatus(statusId, authHost, token) {
+  return Promise.resolve()
+}