Name & Description HTTP Method Data Types Errors $/$ This is an example route that we will implement for you. Display a message when the root URL of the server is accessed directly. Difficulty: N$/$A GET Query Parameters $\{\}$ Return Object $\{$message$\}$ N$/$A $/$echo$/$echo This is an example route that we will implement for you. Echoes the given message back to the caller. Difficulty: N$/$A GET Query Parameters $\{$message$\}$ Return Object $\{$message$\}$ Return $\{$error$\}$ with status code $400$ when any of: when the message passed in is exactly echo. $/$post$/$create Adds a new post to our forum. Difficulty: $$ POST Body Parameters $\{$sender$,$ title, content$\}$ Return Object $\{$postId$\}$ Return $\{$error$\}$ with status code $400$ when any of: sender is an empty string, $""$ title is an empty string, $""$ content is an empty string, $""/$post$/$:postid$/$comment Adds a new comment to a forum post. Difficulty: $$ POST Body Parameters $\{$sender$,$ comment$\}$ Return Object $\{$commentId$\}$ Return $\{$error$\}$ with status code $400$ when any of: postid does not refer to an existing post sender is an empty string, $""$ comment is an empty string, $""/$post$/$:postid Fetch all details about a single forum post. Comments in the post are sorted such that the most recent comment will appear at index $0.$ For example, if three comments are made in the order c$1,$ c$2$ and c$3,$ the returned list will contain $[$c$3,$ c$2,$ c$1].$ Difficulty: $$ GET Query Parameters $\{\}$ Return Object $\{$post$\}$ Return $\{$error$\}$ with status code $400$ when postid does not refer to an existing post. $/$post$/$:postid Edits a single forum post. Note that the timeSent for this post remains unchanged. Difficulty: $$ PUT Body Parameters $\{$sender$,$ title, content$\}$ Return Object $\{\}$ Return $\{$error$\}$ with status code $400$ when postid does not refer to an existing post sender is an empty string, $""$ title is an empty string, $""$ content is an empty string, $""/$posts$/$list Fetch brief details about all forum posts. Posts are sorted such that the most recent post will appear at index $0.$ For example, if three posts are made in the order p$1,$ p$2$ and p$3,$ the returned list will contain $[$p$3,$ p$2,$ p$1].$ Difficulty: $$ GET Query Parameters $\{\}$ Return Object $\{$posts$\}$ N$/$A $/$clear Clear all data and returns an empty object. Difficulty: $$ DELETE Query Parameters $\{\}$ Return Object $\{\}$