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[add] heavy query caching, [add] wpm leaderboard

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This commit is contained in:
Evan Reichard
2023-10-03 16:47:38 -04:00
parent 5cd4e165b0
commit 752741a2eb
11 changed files with 573 additions and 356 deletions
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24
database/manager.go
View File

@@ -21,6 +21,9 @@ type DBManager struct {
//go:embed schema.sql
var ddl string
//go:embed update_temp_tables.sql
var tsql string
func NewMgr(c *config.Config) *DBManager {
// Create Manager
dbm := &DBManager{
@@ -44,22 +47,23 @@ func NewMgr(c *config.Config) *DBManager {
log.Fatal("Unsupported Database")
}
// Create Tables
if _, err := dbm.DB.ExecContext(dbm.Ctx, ddl); err != nil {
log.Fatal(err)
}
dbm.Queries = New(dbm.DB)
return dbm
}
func connectHookSQLite(conn *sqlite.SQLiteConn) error {
if err := conn.RegisterFunc("test_func", func() string {
return "FOOBAR"
}, false); err != nil {
log.Info("Error Registering Function")
func (dbm *DBManager) CacheTempTables() error {
if _, err := dbm.DB.ExecContext(dbm.Ctx, tsql); err != nil {
return err
}
return nil
}
func connectHookSQLite(conn *sqlite.SQLiteConn) error {
// Create Tables
log.Debug("Creating Schema")
if _, err := conn.Exec(ddl, nil); err != nil {
log.Warn("Create Schema Failure: ", err)
}
return nil
}

75
database/models.go
View File

@@ -5,19 +5,19 @@
package database
import (
"database/sql"
"time"
)
type Activity struct {
ID int64 `json:"id"`
UserID string `json:"user_id"`
DocumentID string `json:"document_id"`
DeviceID string `json:"device_id"`
CreatedAt time.Time `json:"created_at"`
StartTime time.Time `json:"start_time"`
Duration int64 `json:"duration"`
Page int64 `json:"page"`
Pages int64 `json:"pages"`
CreatedAt time.Time `json:"created_at"`
Duration int64 `json:"duration"`
}
type Device struct {
@@ -67,6 +67,20 @@ type DocumentProgress struct {
CreatedAt time.Time `json:"created_at"`
}
type DocumentUserStatistic struct {
DocumentID string `json:"document_id"`
UserID string `json:"user_id"`
LastRead string `json:"last_read"`
Page int64 `json:"page"`
Pages int64 `json:"pages"`
TotalTimeSeconds int64 `json:"total_time_seconds"`
ReadPages int64 `json:"read_pages"`
Percentage float64 `json:"percentage"`
Words int64 `json:"words"`
WordsRead int64 `json:"words_read"`
Wpm float64 `json:"wpm"`
}
type Metadatum struct {
ID int64 `json:"id"`
DocumentID string `json:"document_id"`
@@ -80,14 +94,16 @@ type Metadatum struct {
CreatedAt time.Time `json:"created_at"`
}
type RescaledActivity struct {
type RawActivity struct {
ID int64 `json:"id"`
UserID string `json:"user_id"`
DocumentID string `json:"document_id"`
DeviceID string `json:"device_id"`
UserID string `json:"user_id"`
StartTime time.Time `json:"start_time"`
Pages int64 `json:"pages"`
Page int64 `json:"page"`
Pages int64 `json:"pages"`
Duration int64 `json:"duration"`
CreatedAt time.Time `json:"created_at"`
}
type User struct {
@@ -97,3 +113,50 @@ type User struct {
TimeOffset *string `json:"time_offset"`
CreatedAt time.Time `json:"created_at"`
}
type UserStreak struct {
UserID string `json:"user_id"`
Window string `json:"window"`
MaxStreak int64 `json:"max_streak"`
MaxStreakStartDate string `json:"max_streak_start_date"`
MaxStreakEndDate string `json:"max_streak_end_date"`
CurrentStreak int64 `json:"current_streak"`
CurrentStreakStartDate string `json:"current_streak_start_date"`
CurrentStreakEndDate string `json:"current_streak_end_date"`
}
type ViewDocumentUserStatistic struct {
DocumentID string `json:"document_id"`
UserID string `json:"user_id"`
LastRead time.Time `json:"last_read"`
Page int64 `json:"page"`
Pages int64 `json:"pages"`
TotalTimeSeconds sql.NullFloat64 `json:"total_time_seconds"`
ReadPages int64 `json:"read_pages"`
Percentage float64 `json:"percentage"`
Words float64 `json:"words"`
WordsRead interface{} `json:"words_read"`
Wpm int64 `json:"wpm"`
}
type ViewRescaledActivity struct {
UserID string `json:"user_id"`
DocumentID string `json:"document_id"`
DeviceID string `json:"device_id"`
CreatedAt time.Time `json:"created_at"`
StartTime time.Time `json:"start_time"`
Page int64 `json:"page"`
Pages int64 `json:"pages"`
Duration int64 `json:"duration"`
}
type ViewUserStreak struct {
UserID string `json:"user_id"`
Window string `json:"window"`
MaxStreak interface{} `json:"max_streak"`
MaxStreakStartDate interface{} `json:"max_streak_start_date"`
MaxStreakEndDate interface{} `json:"max_streak_end_date"`
CurrentStreak interface{} `json:"current_streak"`
CurrentStreakStartDate interface{} `json:"current_streak_start_date"`
CurrentStreakEndDate interface{} `json:"current_streak_end_date"`
}

121
database/query.sql
View File

@@ -135,7 +135,7 @@ AND user_id = $user_id
ORDER BY start_time DESC LIMIT 1;
-- name: AddActivity :one
INSERT INTO activity (
INSERT INTO raw_activity (
user_id,
document_id,
device_id,
@@ -195,12 +195,12 @@ WITH true_progress AS (
page,
pages,
-- Determine Read Pages
COUNT(DISTINCT page) AS read_pages,
-- Determine Read Pages
COUNT(DISTINCT page) AS read_pages,
-- Derive Percentage of Book
-- Derive Percentage of Book
ROUND(CAST(page AS REAL) / CAST(pages AS REAL) * 100, 2) AS percentage
FROM rescaled_activity
FROM activity
WHERE user_id = $user_id
AND document_id = $document_id
GROUP BY document_id
@@ -220,15 +220,15 @@ SELECT
-- 1. Calculate Total Time in Seconds (Sum Duration in Activity)
-- 2. Divide by Read Pages (Distinct Pages in Activity)
CAST(CASE
WHEN total_time_seconds IS NULL THEN 0.0
ELSE ROUND(CAST(total_time_seconds AS REAL) / CAST(read_pages AS REAL))
WHEN total_time_seconds IS NULL THEN 0.0
ELSE ROUND(CAST(total_time_seconds AS REAL) / CAST(read_pages AS REAL))
END AS INTEGER) AS seconds_per_page,
-- Arbitrarily >97% is Complete
CAST(CASE
WHEN percentage > 97.0 THEN 100.0
WHEN percentage IS NULL THEN 0.0
ELSE percentage
WHEN percentage > 97.0 THEN 100.0
WHEN percentage IS NULL THEN 0.0
ELSE percentage
END AS REAL) AS percentage
FROM documents
@@ -291,7 +291,7 @@ OFFSET $offset;
-- name: GetActivity :many
SELECT
document_id,
CAST(DATETIME(activity.start_time, time_offset) AS TEXT) AS start_time,
CAST(DATETIME(activity.start_time, users.time_offset) AS TEXT) AS start_time,
title,
author,
duration,
@@ -303,11 +303,12 @@ LEFT JOIN users ON users.id = activity.user_id
WHERE
activity.user_id = $user_id
AND (
CAST($doc_filter AS BOOLEAN) = TRUE
AND document_id = $document_id
(
CAST($doc_filter AS BOOLEAN) = TRUE
AND document_id = $document_id
) OR $doc_filter = FALSE
)
OR $doc_filter = FALSE
ORDER BY start_time DESC
ORDER BY activity.start_time DESC
LIMIT $limit
OFFSET $offset;
@@ -326,7 +327,7 @@ GROUP BY activity.device_id;
SELECT
COUNT(DISTINCT page) AS pages_read,
SUM(duration) AS total_time
FROM rescaled_activity
FROM activity
WHERE document_id = $document_id
AND user_id = $user_id
AND start_time >= $start_time;
@@ -334,7 +335,7 @@ AND start_time >= $start_time;
-- name: GetDocumentReadStatsCapped :one
WITH capped_stats AS (
SELECT MIN(SUM(duration), CAST($page_duration_cap AS INTEGER)) AS durations
FROM rescaled_activity
FROM activity
WHERE document_id = $document_id
AND user_id = $user_id
AND start_time >= $start_time
@@ -357,77 +358,9 @@ WITH document_days AS (
SELECT CAST(COUNT(*) AS INTEGER) AS days_read
FROM document_days;
-- name: GetUserWindowStreaks :one
WITH document_windows AS (
SELECT
CASE
WHEN ?2 = "WEEK" THEN DATE(start_time, time_offset, 'weekday 0', '-7 day')
WHEN ?2 = "DAY" THEN DATE(start_time, time_offset)
END AS read_window,
time_offset
FROM activity
JOIN users ON users.id = activity.user_id
WHERE user_id = $user_id
AND CAST($window AS TEXT) = CAST($window AS TEXT)
GROUP BY read_window
),
partitions AS (
SELECT
document_windows.*,
row_number() OVER (
PARTITION BY 1 ORDER BY read_window DESC
) AS seqnum
FROM document_windows
),
streaks AS (
SELECT
COUNT(*) AS streak,
MIN(read_window) AS start_date,
MAX(read_window) AS end_date,
time_offset
FROM partitions
GROUP BY
CASE
WHEN ?2 = "DAY" THEN DATE(read_window, '+' || seqnum || ' day')
WHEN ?2 = "WEEK" THEN DATE(read_window, '+' || (seqnum * 7) || ' day')
END,
time_offset
ORDER BY end_date DESC
),
max_streak AS (
SELECT
MAX(streak) AS max_streak,
start_date AS max_streak_start_date,
end_date AS max_streak_end_date
FROM streaks
LIMIT 1
),
current_streak AS (
SELECT
streak AS current_streak,
start_date AS current_streak_start_date,
end_date AS current_streak_end_date
FROM streaks
WHERE CASE
WHEN ?2 = "WEEK" THEN
DATE('now', time_offset, 'weekday 0', '-14 day') = current_streak_end_date
OR DATE('now', time_offset, 'weekday 0', '-7 day') = current_streak_end_date
WHEN ?2 = "DAY" THEN
DATE('now', time_offset, '-1 day') = current_streak_end_date
OR DATE('now', time_offset) = current_streak_end_date
END
LIMIT 1
)
SELECT
CAST(IFNULL(max_streak, 0) AS INTEGER) AS max_streak,
CAST(IFNULL(max_streak_start_date, "N/A") AS TEXT) AS max_streak_start_date,
CAST(IFNULL(max_streak_end_date, "N/A") AS TEXT) AS max_streak_end_date,
IFNULL(current_streak, 0) AS current_streak,
CAST(IFNULL(current_streak_start_date, "N/A") AS TEXT) AS current_streak_start_date,
CAST(IFNULL(current_streak_end_date, "N/A") AS TEXT) AS current_streak_end_date
FROM max_streak
LEFT JOIN current_streak ON 1 = 1
LIMIT 1;
-- name: GetUserStreaks :many
SELECT * FROM user_streaks
WHERE user_id = $user_id;
-- name: GetDatabaseInfo :one
SELECT
@@ -468,3 +401,15 @@ FROM last_30_days
LEFT JOIN activity_records ON activity_records.day == last_30_days.date
ORDER BY date DESC
LIMIT 30;
-- name: GetWPMLeaderboard :many
SELECT
user_id,
CAST(SUM(words_read) AS INTEGER) AS total_words_read,
CAST(SUM(total_time_seconds) AS INTEGER) AS total_seconds,
ROUND(CAST(SUM(words_read) AS REAL) / (SUM(total_time_seconds) / 60.0), 2)
AS wpm
FROM document_user_statistics
WHERE words_read > 0
GROUP BY user_id
ORDER BY wpm DESC;

221
database/query.sql.go
View File

@@ -13,7 +13,7 @@ import (
)
const addActivity = `-- name: AddActivity :one
INSERT INTO activity (
INSERT INTO raw_activity (
user_id,
document_id,
device_id,
@@ -23,7 +23,7 @@ INSERT INTO activity (
pages
)
VALUES (?, ?, ?, ?, ?, ?, ?)
RETURNING id, user_id, document_id, device_id, start_time, duration, page, pages, created_at
RETURNING id, user_id, document_id, device_id, start_time, page, pages, duration, created_at
`
type AddActivityParams struct {
@@ -36,7 +36,7 @@ type AddActivityParams struct {
Pages int64 `json:"pages"`
}
func (q *Queries) AddActivity(ctx context.Context, arg AddActivityParams) (Activity, error) {
func (q *Queries) AddActivity(ctx context.Context, arg AddActivityParams) (RawActivity, error) {
row := q.db.QueryRowContext(ctx, addActivity,
arg.UserID,
arg.DocumentID,
@@ -46,16 +46,16 @@ func (q *Queries) AddActivity(ctx context.Context, arg AddActivityParams) (Activ
arg.Page,
arg.Pages,
)
var i Activity
var i RawActivity
err := row.Scan(
&i.ID,
&i.UserID,
&i.DocumentID,
&i.DeviceID,
&i.StartTime,
&i.Duration,
&i.Page,
&i.Pages,
&i.Duration,
&i.CreatedAt,
)
return i, err
@@ -151,7 +151,7 @@ func (q *Queries) DeleteDocument(ctx context.Context, id string) (int64, error)
const getActivity = `-- name: GetActivity :many
SELECT
document_id,
CAST(DATETIME(activity.start_time, time_offset) AS TEXT) AS start_time,
CAST(DATETIME(activity.start_time, users.time_offset) AS TEXT) AS start_time,
title,
author,
duration,
@@ -163,11 +163,12 @@ LEFT JOIN users ON users.id = activity.user_id
WHERE
activity.user_id = ?1
AND (
CAST(?2 AS BOOLEAN) = TRUE
AND document_id = ?3
(
CAST(?2 AS BOOLEAN) = TRUE
AND document_id = ?3
) OR ?2 = FALSE
)
OR ?2 = FALSE
ORDER BY start_time DESC
ORDER BY activity.start_time DESC
LIMIT ?5
OFFSET ?4
`
@@ -477,7 +478,7 @@ const getDocumentReadStats = `-- name: GetDocumentReadStats :one
SELECT
COUNT(DISTINCT page) AS pages_read,
SUM(duration) AS total_time
FROM rescaled_activity
FROM activity
WHERE document_id = ?1
AND user_id = ?2
AND start_time >= ?3
@@ -504,7 +505,7 @@ func (q *Queries) GetDocumentReadStats(ctx context.Context, arg GetDocumentReadS
const getDocumentReadStatsCapped = `-- name: GetDocumentReadStatsCapped :one
WITH capped_stats AS (
SELECT MIN(SUM(duration), CAST(?1 AS INTEGER)) AS durations
FROM rescaled_activity
FROM activity
WHERE document_id = ?2
AND user_id = ?3
AND start_time >= ?4
@@ -549,12 +550,12 @@ WITH true_progress AS (
page,
pages,
-- Determine Read Pages
COUNT(DISTINCT page) AS read_pages,
-- Determine Read Pages
COUNT(DISTINCT page) AS read_pages,
-- Derive Percentage of Book
-- Derive Percentage of Book
ROUND(CAST(page AS REAL) / CAST(pages AS REAL) * 100, 2) AS percentage
FROM rescaled_activity
FROM activity
WHERE user_id = ?1
AND document_id = ?2
GROUP BY document_id
@@ -574,15 +575,15 @@ SELECT
-- 1. Calculate Total Time in Seconds (Sum Duration in Activity)
-- 2. Divide by Read Pages (Distinct Pages in Activity)
CAST(CASE
WHEN total_time_seconds IS NULL THEN 0.0
ELSE ROUND(CAST(total_time_seconds AS REAL) / CAST(read_pages AS REAL))
WHEN total_time_seconds IS NULL THEN 0.0
ELSE ROUND(CAST(total_time_seconds AS REAL) / CAST(read_pages AS REAL))
END AS INTEGER) AS seconds_per_page,
-- Arbitrarily >97% is Complete
CAST(CASE
WHEN percentage > 97.0 THEN 100.0
WHEN percentage IS NULL THEN 0.0
ELSE percentage
WHEN percentage > 97.0 THEN 100.0
WHEN percentage IS NULL THEN 0.0
ELSE percentage
END AS REAL) AS percentage
FROM documents
@@ -978,105 +979,41 @@ func (q *Queries) GetUser(ctx context.Context, userID string) (User, error) {
return i, err
}
const getUserWindowStreaks = `-- name: GetUserWindowStreaks :one
WITH document_windows AS (
SELECT
CASE
WHEN ?2 = "WEEK" THEN DATE(start_time, time_offset, 'weekday 0', '-7 day')
WHEN ?2 = "DAY" THEN DATE(start_time, time_offset)
END AS read_window,
time_offset
FROM activity
JOIN users ON users.id = activity.user_id
WHERE user_id = ?1
AND CAST(?2 AS TEXT) = CAST(?2 AS TEXT)
GROUP BY read_window
),
partitions AS (
SELECT
document_windows.read_window, document_windows.time_offset,
row_number() OVER (
PARTITION BY 1 ORDER BY read_window DESC
) AS seqnum
FROM document_windows
),
streaks AS (
SELECT
COUNT(*) AS streak,
MIN(read_window) AS start_date,
MAX(read_window) AS end_date,
time_offset
FROM partitions
GROUP BY
CASE
WHEN ?2 = "DAY" THEN DATE(read_window, '+' || seqnum || ' day')
WHEN ?2 = "WEEK" THEN DATE(read_window, '+' || (seqnum * 7) || ' day')
END,
time_offset
ORDER BY end_date DESC
),
max_streak AS (
SELECT
MAX(streak) AS max_streak,
start_date AS max_streak_start_date,
end_date AS max_streak_end_date
FROM streaks
LIMIT 1
),
current_streak AS (
SELECT
streak AS current_streak,
start_date AS current_streak_start_date,
end_date AS current_streak_end_date
FROM streaks
WHERE CASE
WHEN ?2 = "WEEK" THEN
DATE('now', time_offset, 'weekday 0', '-14 day') = current_streak_end_date
OR DATE('now', time_offset, 'weekday 0', '-7 day') = current_streak_end_date
WHEN ?2 = "DAY" THEN
DATE('now', time_offset, '-1 day') = current_streak_end_date
OR DATE('now', time_offset) = current_streak_end_date
END
LIMIT 1
)
SELECT
CAST(IFNULL(max_streak, 0) AS INTEGER) AS max_streak,
CAST(IFNULL(max_streak_start_date, "N/A") AS TEXT) AS max_streak_start_date,
CAST(IFNULL(max_streak_end_date, "N/A") AS TEXT) AS max_streak_end_date,
IFNULL(current_streak, 0) AS current_streak,
CAST(IFNULL(current_streak_start_date, "N/A") AS TEXT) AS current_streak_start_date,
CAST(IFNULL(current_streak_end_date, "N/A") AS TEXT) AS current_streak_end_date
FROM max_streak
LEFT JOIN current_streak ON 1 = 1
LIMIT 1
const getUserStreaks = `-- name: GetUserStreaks :many
SELECT user_id, "window", max_streak, max_streak_start_date, max_streak_end_date, current_streak, current_streak_start_date, current_streak_end_date FROM user_streaks
WHERE user_id = ?1
`
type GetUserWindowStreaksParams struct {
UserID string `json:"user_id"`
Window string `json:"window"`
}
type GetUserWindowStreaksRow struct {
MaxStreak int64 `json:"max_streak"`
MaxStreakStartDate string `json:"max_streak_start_date"`
MaxStreakEndDate string `json:"max_streak_end_date"`
CurrentStreak interface{} `json:"current_streak"`
CurrentStreakStartDate string `json:"current_streak_start_date"`
CurrentStreakEndDate string `json:"current_streak_end_date"`
}
func (q *Queries) GetUserWindowStreaks(ctx context.Context, arg GetUserWindowStreaksParams) (GetUserWindowStreaksRow, error) {
row := q.db.QueryRowContext(ctx, getUserWindowStreaks, arg.UserID, arg.Window)
var i GetUserWindowStreaksRow
err := row.Scan(
&i.MaxStreak,
&i.MaxStreakStartDate,
&i.MaxStreakEndDate,
&i.CurrentStreak,
&i.CurrentStreakStartDate,
&i.CurrentStreakEndDate,
)
return i, err
func (q *Queries) GetUserStreaks(ctx context.Context, userID string) ([]UserStreak, error) {
rows, err := q.db.QueryContext(ctx, getUserStreaks, userID)
if err != nil {
return nil, err
}
defer rows.Close()
var items []UserStreak
for rows.Next() {
var i UserStreak
if err := rows.Scan(
&i.UserID,
&i.Window,
&i.MaxStreak,
&i.MaxStreakStartDate,
&i.MaxStreakEndDate,
&i.CurrentStreak,
&i.CurrentStreakStartDate,
&i.CurrentStreakEndDate,
); err != nil {
return nil, err
}
items = append(items, i)
}
if err := rows.Close(); err != nil {
return nil, err
}
if err := rows.Err(); err != nil {
return nil, err
}
return items, nil
}
const getUsers = `-- name: GetUsers :many
@@ -1129,6 +1066,54 @@ func (q *Queries) GetUsers(ctx context.Context, arg GetUsersParams) ([]User, err
return items, nil
}
const getWPMLeaderboard = `-- name: GetWPMLeaderboard :many
SELECT
user_id,
CAST(SUM(words_read) AS INTEGER) AS total_words_read,
CAST(SUM(total_time_seconds) AS INTEGER) AS total_seconds,
ROUND(CAST(SUM(words_read) AS REAL) / (SUM(total_time_seconds) / 60.0), 2)
AS wpm
FROM document_user_statistics
WHERE words_read > 0
GROUP BY user_id
ORDER BY wpm DESC
`
type GetWPMLeaderboardRow struct {
UserID string `json:"user_id"`
TotalWordsRead int64 `json:"total_words_read"`
TotalSeconds int64 `json:"total_seconds"`
Wpm float64 `json:"wpm"`
}
func (q *Queries) GetWPMLeaderboard(ctx context.Context) ([]GetWPMLeaderboardRow, error) {
rows, err := q.db.QueryContext(ctx, getWPMLeaderboard)
if err != nil {
return nil, err
}
defer rows.Close()
var items []GetWPMLeaderboardRow
for rows.Next() {
var i GetWPMLeaderboardRow
if err := rows.Scan(
&i.UserID,
&i.TotalWordsRead,
&i.TotalSeconds,
&i.Wpm,
); err != nil {
return nil, err
}
items = append(items, i)
}
if err := rows.Close(); err != nil {
return nil, err
}
if err := rows.Err(); err != nil {
return nil, err
}
return items, nil
}
const getWantedDocuments = `-- name: GetWantedDocuments :many
SELECT
CAST(value AS TEXT) AS id,

313
database/schema.sql
View File

@@ -1,6 +1,10 @@
PRAGMA foreign_keys = ON;
PRAGMA journal_mode = WAL;
---------------------------------------------------------------
------------------------ Normal Tables ------------------------
---------------------------------------------------------------
-- Authentication
CREATE TABLE IF NOT EXISTS users (
id TEXT NOT NULL PRIMARY KEY,
@@ -101,17 +105,17 @@ CREATE TABLE IF NOT EXISTS document_progress (
PRIMARY KEY (user_id, document_id, device_id)
);
-- Read Activity
CREATE TABLE IF NOT EXISTS activity (
-- Raw Read Activity
CREATE TABLE IF NOT EXISTS raw_activity (
id INTEGER PRIMARY KEY AUTOINCREMENT,
user_id TEXT NOT NULL,
document_id TEXT NOT NULL,
device_id TEXT NOT NULL,
start_time DATETIME NOT NULL,
duration INTEGER NOT NULL,
page INTEGER NOT NULL,
pages INTEGER NOT NULL,
duration INTEGER NOT NULL,
created_at DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP,
FOREIGN KEY (user_id) REFERENCES users (id),
@@ -119,23 +123,72 @@ CREATE TABLE IF NOT EXISTS activity (
FOREIGN KEY (device_id) REFERENCES devices (id)
);
-- Indexes
CREATE INDEX IF NOT EXISTS activity_start_time ON activity (start_time);
CREATE INDEX IF NOT EXISTS activity_user_id_document_id ON activity (
---------------------------------------------------------------
----------------------- Temporary Tables ----------------------
---------------------------------------------------------------
-- Temporary Activity Table (Cached from View)
CREATE TEMPORARY TABLE IF NOT EXISTS activity (
user_id TEXT NOT NULL,
document_id TEXT NOT NULL,
device_id TEXT NOT NULL,
created_at DATETIME NOT NULL,
start_time DATETIME NOT NULL,
page INTEGER NOT NULL,
pages INTEGER NOT NULL,
duration INTEGER NOT NULL
);
-- Temporary User Streaks Table (Cached from View)
CREATE TEMPORARY TABLE IF NOT EXISTS user_streaks (
user_id TEXT NOT NULL,
window TEXT NOT NULL,
max_streak INTEGER NOT NULL,
max_streak_start_date TEXT NOT NULL,
max_streak_end_date TEXT NOT NULL,
current_streak INTEGER NOT NULL,
current_streak_start_date TEXT NOT NULL,
current_streak_end_date TEXT NOT NULL
);
CREATE TEMPORARY TABLE IF NOT EXISTS document_user_statistics (
document_id TEXT NOT NULL,
user_id TEXT NOT NULL,
last_read TEXT NOT NULL,
page INTEGER NOT NULL,
pages INTEGER NOT NULL,
total_time_seconds INTEGER NOT NULL,
read_pages INTEGER NOT NULL,
percentage REAL NOT NULL,
words INTEGER NOT NULL,
words_read INTEGER NOT NULL,
wpm REAL NOT NULL
);
---------------------------------------------------------------
--------------------------- Indexes ---------------------------
---------------------------------------------------------------
CREATE INDEX IF NOT EXISTS temp.activity_start_time ON activity (start_time);
CREATE INDEX IF NOT EXISTS temp.activity_user_id ON activity (user_id);
CREATE INDEX IF NOT EXISTS temp.activity_user_id_document_id ON activity (
user_id,
document_id
);
-- Update Trigger
CREATE TRIGGER IF NOT EXISTS update_documents_updated_at
BEFORE UPDATE ON documents BEGIN
UPDATE documents
SET updated_at = CURRENT_TIMESTAMP
WHERE id = old.id;
END;
---------------------------------------------------------------
---------------------------- Views ----------------------------
---------------------------------------------------------------
-- Rescaled Activity View (Adapted from KOReader)
CREATE VIEW IF NOT EXISTS rescaled_activity AS
--------------------------------
------- Rescaled Activity ------
--------------------------------
CREATE VIEW IF NOT EXISTS view_rescaled_activity AS
WITH RECURSIVE nums (idx) AS (
SELECT 1 AS idx
@@ -150,7 +203,7 @@ current_pages AS (
document_id,
user_id,
pages
FROM activity
FROM raw_activity
GROUP BY document_id, user_id
HAVING MAX(start_time)
ORDER BY start_time DESC
@@ -158,33 +211,33 @@ current_pages AS (
intermediate AS (
SELECT
activity.document_id,
activity.device_id,
activity.user_id,
activity.start_time,
activity.duration,
activity.page,
raw_activity.document_id,
raw_activity.device_id,
raw_activity.user_id,
raw_activity.created_at,
raw_activity.start_time,
raw_activity.duration,
raw_activity.page,
current_pages.pages,
-- Derive first page
((activity.page - 1) * current_pages.pages) / activity.pages
((raw_activity.page - 1) * current_pages.pages) / raw_activity.pages
+ 1 AS first_page,
-- Derive last page
MAX(
((activity.page - 1) * current_pages.pages)
/ activity.pages
((raw_activity.page - 1) * current_pages.pages)
/ raw_activity.pages
+ 1,
(activity.page * current_pages.pages) / activity.pages
(raw_activity.page * current_pages.pages) / raw_activity.pages
) AS last_page
FROM activity
FROM raw_activity
INNER JOIN current_pages ON
current_pages.document_id = activity.document_id
AND current_pages.user_id = activity.user_id
current_pages.document_id = raw_activity.document_id
AND current_pages.user_id = raw_activity.user_id
),
-- Improves performance
num_limit AS (
SELECT * FROM nums
LIMIT (SELECT MAX(last_page - first_page + 1) FROM intermediate)
@@ -192,28 +245,30 @@ num_limit AS (
rescaled_raw AS (
SELECT
document_id,
device_id,
user_id,
start_time,
last_page,
pages,
first_page + num_limit.idx - 1 AS page,
duration / (
last_page - first_page + 1.0
intermediate.document_id,
intermediate.device_id,
intermediate.user_id,
intermediate.created_at,
intermediate.start_time,
intermediate.last_page,
intermediate.pages,
intermediate.first_page + num_limit.idx - 1 AS page,
intermediate.duration / (
intermediate.last_page - intermediate.first_page + 1.0
) AS duration
FROM intermediate
JOIN num_limit ON
num_limit.idx <= (last_page - first_page + 1)
LEFT JOIN num_limit ON
num_limit.idx <= (intermediate.last_page - intermediate.first_page + 1)
)
SELECT
user_id,
document_id,
device_id,
user_id,
created_at,
start_time,
pages,
page,
pages,
-- Round up if last page (maintains total duration)
CAST(CASE
@@ -222,3 +277,175 @@ SELECT
ELSE duration
END AS INTEGER) AS duration
FROM rescaled_raw;
--------------------------------
--------- User Streaks ---------
--------------------------------
CREATE VIEW IF NOT EXISTS view_user_streaks AS
WITH document_windows AS (
SELECT
activity.user_id,
users.time_offset,
DATE(
activity.start_time,
users.time_offset,
'weekday 0', '-7 day'
) AS weekly_read,
DATE(activity.start_time, users.time_offset) AS daily_read
FROM raw_activity AS activity
LEFT JOIN users ON users.id = activity.user_id
GROUP BY activity.user_id, weekly_read, daily_read
),
weekly_partitions AS (
SELECT
user_id,
time_offset,
'WEEK' AS "window",
weekly_read AS read_window,
row_number() OVER (
PARTITION BY user_id ORDER BY weekly_read DESC
) AS seqnum
FROM document_windows
GROUP BY user_id, weekly_read
),
daily_partitions AS (
SELECT
user_id,
time_offset,
'DAY' AS "window",
daily_read AS read_window,
row_number() OVER (
PARTITION BY user_id ORDER BY daily_read DESC
) AS seqnum
FROM document_windows
GROUP BY user_id, daily_read
),
streaks AS (
SELECT
COUNT(*) AS streak,
MIN(read_window) AS start_date,
MAX(read_window) AS end_date,
window,
user_id,
time_offset
FROM daily_partitions
GROUP BY
time_offset,
user_id,
DATE(read_window, '+' || seqnum || ' day')
UNION ALL
SELECT
COUNT(*) AS streak,
MIN(read_window) AS start_date,
MAX(read_window) AS end_date,
window,
user_id,
time_offset
FROM weekly_partitions
GROUP BY
time_offset,
user_id,
DATE(read_window, '+' || (seqnum * 7) || ' day')
),
max_streak AS (
SELECT
MAX(streak) AS max_streak,
start_date AS max_streak_start_date,
end_date AS max_streak_end_date,
window,
user_id
FROM streaks
GROUP BY user_id, window
),
current_streak AS (
SELECT
streak AS current_streak,
start_date AS current_streak_start_date,
end_date AS current_streak_end_date,
window,
user_id
FROM streaks
WHERE CASE
WHEN window = "WEEK" THEN
DATE('now', time_offset, 'weekday 0', '-14 day') = current_streak_end_date
OR DATE('now', time_offset, 'weekday 0', '-7 day') = current_streak_end_date
WHEN window = "DAY" THEN
DATE('now', time_offset, '-1 day') = current_streak_end_date
OR DATE('now', time_offset) = current_streak_end_date
END
GROUP BY user_id, window
)
SELECT
max_streak.user_id,
max_streak.window,
IFNULL(max_streak, 0) AS max_streak,
IFNULL(max_streak_start_date, "N/A") AS max_streak_start_date,
IFNULL(max_streak_end_date, "N/A") AS max_streak_end_date,
IFNULL(current_streak, 0) AS current_streak,
IFNULL(current_streak_start_date, "N/A") AS current_streak_start_date,
IFNULL(current_streak_end_date, "N/A") AS current_streak_end_date
FROM max_streak
LEFT JOIN current_streak ON
current_streak.user_id = max_streak.user_id
AND current_streak.window = max_streak.window;
--------------------------------
------- Document Stats ---------
--------------------------------
CREATE VIEW IF NOT EXISTS view_document_user_statistics AS
WITH true_progress AS (
SELECT
document_id,
user_id,
start_time AS last_read,
page,
pages,
SUM(duration) AS total_time_seconds,
-- Determine Read Pages
COUNT(DISTINCT page) AS read_pages,
-- Derive Percentage of Book
ROUND(CAST(page AS REAL) / CAST(pages AS REAL) * 100, 2) AS percentage
FROM view_rescaled_activity
GROUP BY document_id, user_id
HAVING MAX(start_time)
)
SELECT
true_progress.*,
CAST(COALESCE(documents.words, 0.0) AS REAL) AS words,
(CAST(COALESCE(documents.words, 0.0) AS REAL) / pages * read_pages)
AS words_read,
(CAST(COALESCE(documents.words, 0.0) AS REAL) / pages * read_pages)
/ (total_time_seconds / 60.0) AS wpm
FROM true_progress
INNER JOIN documents ON documents.id = true_progress.document_id
ORDER BY wpm DESC;
---------------------------------------------------------------
------------------ Populate Temporary Tables ------------------
---------------------------------------------------------------
INSERT INTO activity SELECT * FROM view_rescaled_activity;
INSERT INTO user_streaks SELECT * FROM view_user_streaks;
INSERT INTO document_user_statistics SELECT * FROM view_document_user_statistics;
---------------------------------------------------------------
--------------------------- Triggers --------------------------
---------------------------------------------------------------
-- Update Trigger
CREATE TRIGGER IF NOT EXISTS update_documents_updated_at
BEFORE UPDATE ON documents BEGIN
UPDATE documents
SET updated_at = CURRENT_TIMESTAMP
WHERE id = old.id;
END;

8
database/update_temp_tables.sql Normal file
View File

@@ -0,0 +1,8 @@
DELETE FROM activity;
INSERT INTO activity SELECT * FROM view_rescaled_activity;
DELETE FROM user_streaks;
INSERT INTO user_streaks SELECT * FROM view_user_streaks;
DELETE FROM document_user_statistics;
INSERT INTO document_user_statistics
SELECT *
FROM view_document_user_statistics;