Iframely and pictshare backend mostly done.

22 files changed, 714 insertions, 203 deletions

diff --git a/server/Cargo.lock b/server/Cargo.lock
index dc583d14..6f530ec2 100644
--- a/server/Cargo.lock
+++ b/server/Cargo.lock
@@ -148,7 +148,7 @@ dependencies = [
  "futures-core 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "futures-util 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "fxhash 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "h2 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "h2 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "http 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "httparse 1.3.4 (registry+https://github.com/rust-lang/crates.io-index)",
  "indexmap 1.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -588,6 +588,15 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "bytes"
+version = "0.4.12"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "byteorder 1.3.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "iovec 0.1.4 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "bytes"
 version = "0.5.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
@@ -629,6 +638,25 @@ dependencies = [
 ]
 
 [[package]]
+name = "chttp"
+version = "0.5.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "bytes 0.4.12 (registry+https://github.com/rust-lang/crates.io-index)",
+ "chrono 0.4.10 (registry+https://github.com/rust-lang/crates.io-index)",
+ "crossbeam-channel 0.3.9 (registry+https://github.com/rust-lang/crates.io-index)",
+ "curl 0.4.26 (registry+https://github.com/rust-lang/crates.io-index)",
+ "curl-sys 0.4.28+curl-7.69.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "futures-io-preview 0.3.0-alpha.17 (registry+https://github.com/rust-lang/crates.io-index)",
+ "futures-util-preview 0.3.0-alpha.17 (registry+https://github.com/rust-lang/crates.io-index)",
+ "http 0.1.21 (registry+https://github.com/rust-lang/crates.io-index)",
+ "lazy_static 1.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "log 0.4.8 (registry+https://github.com/rust-lang/crates.io-index)",
+ "slab 0.4.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "sluice 0.4.1 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
 name = "cloudabi"
 version = "0.0.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
@@ -680,6 +708,14 @@ dependencies = [
 
 [[package]]
 name = "crossbeam-channel"
+version = "0.3.9"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "crossbeam-utils 0.6.6 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "crossbeam-channel"
 version = "0.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
@@ -688,6 +724,15 @@ dependencies = [
 
 [[package]]
 name = "crossbeam-utils"
+version = "0.6.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "cfg-if 0.1.10 (registry+https://github.com/rust-lang/crates.io-index)",
+ "lazy_static 1.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "crossbeam-utils"
 version = "0.7.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
@@ -697,6 +742,35 @@ dependencies = [
 ]
 
 [[package]]
+name = "curl"
+version = "0.4.26"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "curl-sys 0.4.28+curl-7.69.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.66 (registry+https://github.com/rust-lang/crates.io-index)",
+ "openssl-probe 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "openssl-sys 0.9.53 (registry+https://github.com/rust-lang/crates.io-index)",
+ "schannel 0.1.16 (registry+https://github.com/rust-lang/crates.io-index)",
+ "socket2 0.3.11 (registry+https://github.com/rust-lang/crates.io-index)",
+ "winapi 0.3.8 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "curl-sys"
+version = "0.4.28+curl-7.69.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "cc 1.0.48 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.66 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libnghttp2-sys 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libz-sys 1.0.25 (registry+https://github.com/rust-lang/crates.io-index)",
+ "openssl-sys 0.9.53 (registry+https://github.com/rust-lang/crates.io-index)",
+ "pkg-config 0.3.17 (registry+https://github.com/rust-lang/crates.io-index)",
+ "vcpkg 0.2.8 (registry+https://github.com/rust-lang/crates.io-index)",
+ "winapi 0.3.8 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
 name = "darling"
 version = "0.10.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
@@ -1039,11 +1113,24 @@ dependencies = [
 ]
 
 [[package]]
+name = "futures-channel-preview"
+version = "0.3.0-alpha.17"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "futures-core-preview 0.3.0-alpha.17 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
 name = "futures-core"
 version = "0.3.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
+name = "futures-core-preview"
+version = "0.3.0-alpha.17"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+
+[[package]]
 name = "futures-executor"
 version = "0.3.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
@@ -1059,6 +1146,11 @@ version = "0.3.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
+name = "futures-io-preview"
+version = "0.3.0-alpha.17"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+
+[[package]]
 name = "futures-macro"
 version = "0.3.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
@@ -1098,6 +1190,18 @@ dependencies = [
 ]
 
 [[package]]
+name = "futures-util-preview"
+version = "0.3.0-alpha.17"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "futures-core-preview 0.3.0-alpha.17 (registry+https://github.com/rust-lang/crates.io-index)",
+ "futures-io-preview 0.3.0-alpha.17 (registry+https://github.com/rust-lang/crates.io-index)",
+ "memchr 2.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "pin-utils 0.1.0-alpha.4 (registry+https://github.com/rust-lang/crates.io-index)",
+ "slab 0.4.2 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
 name = "fxhash"
 version = "0.2.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
@@ -1125,7 +1229,7 @@ dependencies = [
 
 [[package]]
 name = "h2"
-version = "0.2.1"
+version = "0.2.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "bytes 0.5.3 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -1184,6 +1288,16 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "http"
+version = "0.1.21"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "bytes 0.4.12 (registry+https://github.com/rust-lang/crates.io-index)",
+ "fnv 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
+ "itoa 0.4.4 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "http"
 version = "0.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
@@ -1314,6 +1428,7 @@ dependencies = [
  "actix-web-actors 2.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "bcrypt 0.6.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "chrono 0.4.10 (registry+https://github.com/rust-lang/crates.io-index)",
+ "chttp 0.5.5 (registry+https://github.com/rust-lang/crates.io-index)",
  "config 0.10.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "diesel 1.4.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "diesel_migrations 1.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -1326,6 +1441,7 @@ dependencies = [
  "lazy_static 1.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "lettre 0.9.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "lettre_email 0.9.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "percent-encoding 2.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "rand 0.7.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "regex 1.3.4 (registry+https://github.com/rust-lang/crates.io-index)",
  "rss 1.9.0 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -1384,6 +1500,26 @@ version = "0.2.66"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
+name = "libnghttp2-sys"
+version = "0.1.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "cc 1.0.48 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.66 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "libz-sys"
+version = "1.0.25"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "cc 1.0.48 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.66 (registry+https://github.com/rust-lang/crates.io-index)",
+ "pkg-config 0.3.17 (registry+https://github.com/rust-lang/crates.io-index)",
+ "vcpkg 0.2.8 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
 name = "linked-hash-map"
 version = "0.3.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
@@ -2234,6 +2370,16 @@ version = "0.4.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
+name = "sluice"
+version = "0.4.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "futures-channel-preview 0.3.0-alpha.17 (registry+https://github.com/rust-lang/crates.io-index)",
+ "futures-core-preview 0.3.0-alpha.17 (registry+https://github.com/rust-lang/crates.io-index)",
+ "futures-io-preview 0.3.0-alpha.17 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
 name = "smallvec"
 version = "1.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
@@ -2806,20 +2952,26 @@ dependencies = [
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 "checksum hjson 0.8.2 (registry+https://github.com/rust-lang/crates.io-index)" = "0849d73a64ec77d1c8354aff489cf31943c4b4d3716de1eabfba572c70fde530"
 "checksum hostname 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)" = "21ceb46a83a85e824ef93669c8b390009623863b5c195d1ba747292c0c72f94e"
 "checksum htmlescape 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)" = "e9025058dae765dee5070ec375f591e2ba14638c63feff74f13805a72e523163"
+"checksum http 0.1.21 (registry+https://github.com/rust-lang/crates.io-index)" = "d6ccf5ede3a895d8856620237b2f02972c1bbc78d2965ad7fe8838d4a0ed41f0"
 "checksum http 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)" = "b708cc7f06493459026f53b9a61a7a121a5d1ec6238dee58ea4941132b30156b"
 "checksum httparse 1.3.4 (registry+https://github.com/rust-lang/crates.io-index)" = "cd179ae861f0c2e53da70d892f5f3029f9594be0c41dc5269cd371691b1dc2f9"
 "checksum humantime 1.3.0 (registry+https://github.com/rust-lang/crates.io-index)" = "df004cfca50ef23c36850aaaa59ad52cc70d0e90243c3c7737a4dd32dc7a3c4f"
@@ -2895,6 +3052,8 @@ dependencies = [
 "checksum lettre_email 0.9.2 (registry+https://github.com/rust-lang/crates.io-index)" = "bbb68ca999042d965476e47bbdbacd52db0927348b6f8062c44dd04a3b1fd43b"
 "checksum lexical-core 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)" = "2304bccb228c4b020f3a4835d247df0a02a7c4686098d4167762cfbbe4c5cb14"
 "checksum libc 0.2.66 (registry+https://github.com/rust-lang/crates.io-index)" = "d515b1f41455adea1313a4a2ac8a8a477634fbae63cc6100e3aebb207ce61558"
+"checksum libnghttp2-sys 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)" = "b359f5ec8106bc297694c9a562ace312be2cfd17a5fc68dc12249845aa144b11"
+"checksum libz-sys 1.0.25 (registry+https://github.com/rust-lang/crates.io-index)" = "2eb5e43362e38e2bca2fd5f5134c4d4564a23a5c28e9b95411652021a8675ebe"
 "checksum linked-hash-map 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)" = "6d262045c5b87c0861b3f004610afd0e2c851e2908d08b6c870cbb9d5f494ecd"
 "checksum linked-hash-map 0.5.2 (registry+https://github.com/rust-lang/crates.io-index)" = "ae91b68aebc4ddb91978b11a1b02ddd8602a05ec19002801c5666000e05e0f83"
 "checksum lock_api 0.3.2 (registry+https://github.com/rust-lang/crates.io-index)" = "e57b3997725d2b60dbec1297f6c2e2957cc383db1cebd6be812163f969c7d586"
@@ -2995,6 +3154,7 @@ dependencies = [
 "checksum signal-hook-registry 1.2.0 (registry+https://github.com/rust-lang/crates.io-index)" = "94f478ede9f64724c5d173d7bb56099ec3e2d9fc2774aac65d34b8b890405f41"
 "checksum simple_asn1 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)" = "2b25ecba7165254f0c97d6c22a64b1122a03634b18d20a34daf21e18f892e618"
 "checksum slab 0.4.2 (registry+https://github.com/rust-lang/crates.io-index)" = "c111b5bd5695e56cffe5129854aa230b39c93a305372fdbb2668ca2394eea9f8"
+"checksum sluice 0.4.1 (registry+https://github.com/rust-lang/crates.io-index)" = "ec70d7c3b17c262d4a18f7291c6ce62bf47170915f3b795434d3c5c49a4e59b7"
 "checksum smallvec 1.1.0 (registry+https://github.com/rust-lang/crates.io-index)" = "44e59e0c9fa00817912ae6e4e6e3c4fe04455e75699d06eedc7d85917ed8e8f4"
 "checksum socket2 0.3.11 (registry+https://github.com/rust-lang/crates.io-index)" = "e8b74de517221a2cb01a53349cf54182acdc31a074727d3079068448c0676d85"
 "checksum sourcefile 0.1.4 (registry+https://github.com/rust-lang/crates.io-index)" = "4bf77cb82ba8453b42b6ae1d692e4cdc92f9a47beaf89a847c8be83f4e328ad3"
diff --git a/server/Cargo.toml b/server/Cargo.toml
index 939d038e..e7314368 100644
--- a/server/Cargo.toml
+++ b/server/Cargo.toml
@@ -5,7 +5,7 @@ authors = ["Dessalines <happydooby@gmail.com>"]
 edition = "2018"
 
 [dependencies]
-diesel = { version = "1.4.2", features = ["postgres","chrono", "r2d2"] }
+diesel = { version = "1.4.2", features = ["postgres","chrono", "r2d2", "64-column-tables"] }
 diesel_migrations = "1.4.0"
 dotenv = "0.15.0"
 bcrypt = "0.6.1"
@@ -33,3 +33,5 @@ rss = "1.9.0"
 htmlescape = "0.3.1"
 config = "0.10.1"
 hjson = "0.8.2"
+percent-encoding = "2.1.0"
+chttp = "0.5.5"
diff --git a/server/migrations/2020-03-06-202329_add_post_iframely_data/down.sql b/server/migrations/2020-03-06-202329_add_post_iframely_data/down.sql
new file mode 100644
index 00000000..71dcc6ba
--- /dev/null
+++ b/server/migrations/2020-03-06-202329_add_post_iframely_data/down.sql
@@ -0,0 +1,112 @@
+-- Adds a newest_activity_time for the post_views, in order to sort by newest comment
+drop view post_view;
+drop view post_mview;
+drop materialized view post_aggregates_mview;
+drop view post_aggregates_view;
+
+-- Drop the columns
+alter table post drop column embed_title;
+alter table post drop column embed_description;
+alter table post drop column embed_html;
+alter table post drop column thumbnail_url;
+
+-- regen post view
+create view post_aggregates_view as
+select        
+p.*,
+(select u.banned from user_ u where p.creator_id = u.id) as banned,
+(select cb.id::bool from community_user_ban cb where p.creator_id = cb.user_id and p.community_id = cb.community_id) as banned_from_community,
+(select name from user_ where p.creator_id = user_.id) as creator_name,
+(select avatar from user_ where p.creator_id = user_.id) as creator_avatar,
+(select name from community where p.community_id = community.id) as community_name,
+(select removed from community c where p.community_id = c.id) as community_removed,
+(select deleted from community c where p.community_id = c.id) as community_deleted,
+(select nsfw from community c where p.community_id = c.id) as community_nsfw,
+(select count(*) from comment where comment.post_id = p.id) as number_of_comments,
+coalesce(sum(pl.score), 0) as score,
+count (case when pl.score = 1 then 1 else null end) as upvotes,
+count (case when pl.score = -1 then 1 else null end) as downvotes,
+hot_rank(coalesce(sum(pl.score) , 0), 
+  (
+    case when (p.published < ('now'::timestamp - '1 month'::interval)) then p.published -- Prevents necro-bumps
+    else greatest(c.recent_comment_time, p.published)
+    end
+  )
+) as hot_rank,
+(
+  case when (p.published < ('now'::timestamp - '1 month'::interval)) then p.published -- Prevents necro-bumps
+  else greatest(c.recent_comment_time, p.published)
+  end
+) as newest_activity_time 
+from post p
+left join post_like pl on p.id = pl.post_id
+left join (
+  select post_id, 
+  max(published) as recent_comment_time
+  from comment
+  group by 1
+) c on p.id = c.post_id
+group by p.id, c.recent_comment_time;
+
+create materialized view post_aggregates_mview as select * from post_aggregates_view;
+
+create unique index idx_post_aggregates_mview_id on post_aggregates_mview (id);
+
+create view post_view as 
+with all_post as (
+  select
+  pa.*
+  from post_aggregates_view pa
+)
+select
+ap.*,
+u.id as user_id,
+coalesce(pl.score, 0) as my_vote,
+(select cf.id::bool from community_follower cf where u.id = cf.user_id and cf.community_id = ap.community_id) as subscribed,
+(select pr.id::bool from post_read pr where u.id = pr.user_id and pr.post_id = ap.id) as read,
+(select ps.id::bool from post_saved ps where u.id = ps.user_id and ps.post_id = ap.id) as saved
+from user_ u
+cross join all_post ap
+left join post_like pl on u.id = pl.user_id and ap.id = pl.post_id
+
+union all
+
+select 
+ap.*,
+null as user_id,
+null as my_vote,
+null as subscribed,
+null as read,
+null as saved
+from all_post ap
+;
+
+create view post_mview as 
+with all_post as (
+  select
+  pa.*
+  from post_aggregates_mview pa
+)
+select
+ap.*,
+u.id as user_id,
+coalesce(pl.score, 0) as my_vote,
+(select cf.id::bool from community_follower cf where u.id = cf.user_id and cf.community_id = ap.community_id) as subscribed,
+(select pr.id::bool from post_read pr where u.id = pr.user_id and pr.post_id = ap.id) as read,
+(select ps.id::bool from post_saved ps where u.id = ps.user_id and ps.post_id = ap.id) as saved
+from user_ u
+cross join all_post ap
+left join post_like pl on u.id = pl.user_id and ap.id = pl.post_id
+
+union all
+
+select 
+ap.*,
+null as user_id,
+null as my_vote,
+null as subscribed,
+null as read,
+null as saved
+from all_post ap
+;
+
diff --git a/server/migrations/2020-03-06-202329_add_post_iframely_data/up.sql b/server/migrations/2020-03-06-202329_add_post_iframely_data/up.sql
new file mode 100644
index 00000000..d431bb7f
--- /dev/null
+++ b/server/migrations/2020-03-06-202329_add_post_iframely_data/up.sql
@@ -0,0 +1,115 @@
+-- Add the columns
+alter table post add column embed_title text;
+alter table post add column embed_description text;
+alter table post add column embed_html text;
+alter table post add column thumbnail_url text;
+
+-- Regenerate the views
+
+-- Adds a newest_activity_time for the post_views, in order to sort by newest comment
+drop view post_view;
+drop view post_mview;
+drop materialized view post_aggregates_mview;
+drop view post_aggregates_view;
+
+-- regen post view
+create view post_aggregates_view as
+select        
+p.*,
+(select u.banned from user_ u where p.creator_id = u.id) as banned,
+(select cb.id::bool from community_user_ban cb where p.creator_id = cb.user_id and p.community_id = cb.community_id) as banned_from_community,
+(select name from user_ where p.creator_id = user_.id) as creator_name,
+(select avatar from user_ where p.creator_id = user_.id) as creator_avatar,
+(select name from community where p.community_id = community.id) as community_name,
+(select removed from community c where p.community_id = c.id) as community_removed,
+(select deleted from community c where p.community_id = c.id) as community_deleted,
+(select nsfw from community c where p.community_id = c.id) as community_nsfw,
+(select count(*) from comment where comment.post_id = p.id) as number_of_comments,
+coalesce(sum(pl.score), 0) as score,
+count (case when pl.score = 1 then 1 else null end) as upvotes,
+count (case when pl.score = -1 then 1 else null end) as downvotes,
+hot_rank(coalesce(sum(pl.score) , 0), 
+  (
+    case when (p.published < ('now'::timestamp - '1 month'::interval)) then p.published -- Prevents necro-bumps
+    else greatest(c.recent_comment_time, p.published)
+    end
+  )
+) as hot_rank,
+(
+  case when (p.published < ('now'::timestamp - '1 month'::interval)) then p.published -- Prevents necro-bumps
+  else greatest(c.recent_comment_time, p.published)
+  end
+) as newest_activity_time
+from post p
+left join post_like pl on p.id = pl.post_id
+left join (
+  select post_id, 
+  max(published) as recent_comment_time
+  from comment
+  group by 1
+) c on p.id = c.post_id
+group by p.id, c.recent_comment_time;
+
+create materialized view post_aggregates_mview as select * from post_aggregates_view;
+
+create unique index idx_post_aggregates_mview_id on post_aggregates_mview (id);
+
+create view post_view as 
+with all_post as (
+  select
+  pa.*
+  from post_aggregates_view pa
+)
+select
+ap.*,
+u.id as user_id,
+coalesce(pl.score, 0) as my_vote,
+(select cf.id::bool from community_follower cf where u.id = cf.user_id and cf.community_id = ap.community_id) as subscribed,
+(select pr.id::bool from post_read pr where u.id = pr.user_id and pr.post_id = ap.id) as read,
+(select ps.id::bool from post_saved ps where u.id = ps.user_id and ps.post_id = ap.id) as saved
+from user_ u
+cross join all_post ap
+left join post_like pl on u.id = pl.user_id and ap.id = pl.post_id
+
+union all
+
+select 
+ap.*,
+null as user_id,
+null as my_vote,
+null as subscribed,
+null as read,
+null as saved
+from all_post ap
+;
+
+create view post_mview as 
+with all_post as (
+  select
+  pa.*
+  from post_aggregates_mview pa
+)
+select
+ap.*,
+u.id as user_id,
+coalesce(pl.score, 0) as my_vote,
+(select cf.id::bool from community_follower cf where u.id = cf.user_id and cf.community_id = ap.community_id) as subscribed,
+(select pr.id::bool from post_read pr where u.id = pr.user_id and pr.post_id = ap.id) as read,
+(select ps.id::bool from post_saved ps where u.id = ps.user_id and ps.post_id = ap.id) as saved
+from user_ u
+cross join all_post ap
+left join post_like pl on u.id = pl.user_id and ap.id = pl.post_id
+
+union all
+
+select 
+ap.*,
+null as user_id,
+null as my_vote,
+null as subscribed,
+null as read,
+null as saved
+from all_post ap
+;
+
+
diff --git a/server/src/api/mod.rs b/server/src/api/mod.rs
index 155c706a..e4fdfee6 100644
--- a/server/src/api/mod.rs
+++ b/server/src/api/mod.rs
@@ -18,7 +18,8 @@ use crate::db::user_mention_view::*;
 use crate::db::user_view::*;
 use crate::db::*;
 use crate::{
-  extract_usernames, naive_from_unix, naive_now, remove_slurs, slur_check, slurs_vec_to_str,
+  extract_usernames, fetch_iframely_and_pictshare_data, naive_from_unix, naive_now, remove_slurs,
+  slur_check, slurs_vec_to_str,
 };
 use diesel::PgConnection;
 use failure::Error;
diff --git a/server/src/api/post.rs b/server/src/api/post.rs
index 00bf8e11..fb022589 100644
--- a/server/src/api/post.rs
+++ b/server/src/api/post.rs
@@ -110,6 +110,10 @@ impl Perform<PostResponse> for Oper<CreatePost> {
       return Err(APIError::err("site_ban").into());
     }
 
+    // Fetch Iframely and Pictshare cached image
+    let (iframely_title, iframely_description, iframely_html, pictshare_thumbnail) =
+      fetch_iframely_and_pictshare_data(data.url.to_owned());
+
     let post_form = PostForm {
       name: data.name.to_owned(),
       url: data.url.to_owned(),
@@ -122,6 +126,10 @@ impl Perform<PostResponse> for Oper<CreatePost> {
       locked: None,
       stickied: None,
       updated: None,
+      embed_title: iframely_title,
+      embed_description: iframely_description,
+      embed_html: iframely_html,
+      thumbnail_url: pictshare_thumbnail,
     };
 
     let inserted_post = match Post::create(&conn, &post_form) {
@@ -353,6 +361,10 @@ impl Perform<PostResponse> for Oper<EditPost> {
       return Err(APIError::err("site_ban").into());
     }
 
+    // Fetch Iframely and Pictshare cached image
+    let (iframely_title, iframely_description, iframely_html, pictshare_thumbnail) =
+      fetch_iframely_and_pictshare_data(data.url.to_owned());
+
     let post_form = PostForm {
       name: data.name.to_owned(),
       url: data.url.to_owned(),
@@ -365,6 +377,10 @@ impl Perform<PostResponse> for Oper<EditPost> {
       locked: data.locked.to_owned(),
       stickied: data.stickied.to_owned(),
       updated: Some(naive_now()),
+      embed_title: iframely_title,
+      embed_description: iframely_description,
+      embed_html: iframely_html,
+      thumbnail_url: pictshare_thumbnail,
     };
 
     let _updated_post = match Post::update(&conn, data.edit_id, &post_form) {
diff --git a/server/src/api/user.rs b/server/src/api/user.rs
index 1d332b90..f7313895 100644
--- a/server/src/api/user.rs
+++ b/server/src/api/user.rs
@@ -883,6 +883,10 @@ impl Perform<LoginResponse> for Oper<DeleteAccount> {
         locked: None,
         stickied: None,
         updated: Some(naive_now()),
+        embed_title: None,
+        embed_description: None,
+        embed_html: None,
+        thumbnail_url: None,
       };
 
       let _updated_post = match Post::update(&conn, post.id, &post_form) {
diff --git a/server/src/apub/mod.rs b/server/src/apub/mod.rs
index c5a0b2f0..e224e259 100644
--- a/server/src/apub/mod.rs
+++ b/server/src/apub/mod.rs
@@ -83,6 +83,10 @@ mod tests {
       nsfw: false,
       deleted: false,
       updated: None,
+      embed_title: None,
+      embed_description: None,
+      embed_html: None,
+      thumbnail_url: None,
     };
 
     let page = post.as_page();
diff --git a/server/src/db/comment.rs b/server/src/db/comment.rs
index efba07a5..c9bfbac6 100644
--- a/server/src/db/comment.rs
+++ b/server/src/db/comment.rs
@@ -216,6 +216,10 @@ mod tests {
       stickied: None,
       updated: None,
       nsfw: false,
+      embed_title: None,
+      embed_description: None,
+      embed_html: None,
+      thumbnail_url: None,
     };
 
     let inserted_post = Post::create(&conn, &new_post).unwrap();
diff --git a/server/src/db/comment_view.rs b/server/src/db/comment_view.rs
index ff915d5e..85b41d82 100644
--- a/server/src/db/comment_view.rs
+++ b/server/src/db/comment_view.rs
@@ -480,6 +480,10 @@ mod tests {
       stickied: None,
       updated: None,
       nsfw: false,
+      embed_title: None,